README
¶
This directory contains the GNU Compiler Collection (GCC). The GNU Compiler Collection is free software. See the files whose names start with COPYING for copying permission. The manuals, and some of the runtime libraries, are under different terms; see the individual source files for details. The directory INSTALL contains copies of the installation information as HTML and plain text. The source of this information is gcc/doc/install.texi. The installation information includes details of what is included in the GCC sources and what files GCC installs. See the file gcc/doc/gcc.texi (together with other files that it includes) for usage and porting information. An online readable version of the manual is in the files gcc/doc/gcc.info*. See http://gcc.gnu.org/bugs/ for how to report bugs usefully. Copyright years on GCC source files may be listed using range notation, e.g., 1987-2012, indicating that every year in the range, inclusive, is a copyrightable year that could otherwise be listed individually.
Directories
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| Path | Synopsis |
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gcc
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testsuite/go.test/test/bugs
Issue 1909 Would OOM due to exponential recursion on Foo's expanded methodset in nodefmt
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Issue 1909 Would OOM due to exponential recursion on Foo's expanded methodset in nodefmt |
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testsuite/go.test/test/stress
The runstress tool stresses the runtime.
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The runstress tool stresses the runtime. |
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libgo
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go/archive/tar
Package tar implements access to tar archives.
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Package tar implements access to tar archives. |
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go/archive/zip
Package zip provides support for reading and writing ZIP archives.
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Package zip provides support for reading and writing ZIP archives. |
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go/bufio
Package bufio implements buffered I/O. It wraps an io.Reader or io.Writer object, creating another object (Reader or Writer) that also implements the interface but provides buffering and some help for textual I/O.
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Package bufio implements buffered I/O. It wraps an io.Reader or io.Writer object, creating another object (Reader or Writer) that also implements the interface but provides buffering and some help for textual I/O. |
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go/builtin
Package builtin provides documentation for Go's predeclared identifiers.
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Package builtin provides documentation for Go's predeclared identifiers. |
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go/bytes
Package bytes implements functions for the manipulation of byte slices.
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Package bytes implements functions for the manipulation of byte slices. |
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go/compress/bzip2
Package bzip2 implements bzip2 decompression.
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Package bzip2 implements bzip2 decompression. |
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go/compress/flate
Package flate implements the DEFLATE compressed data format, described in RFC 1951.
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Package flate implements the DEFLATE compressed data format, described in RFC 1951. |
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go/compress/gzip
Package gzip implements reading and writing of gzip format compressed files, as specified in RFC 1952.
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Package gzip implements reading and writing of gzip format compressed files, as specified in RFC 1952. |
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go/compress/lzw
Package lzw implements the Lempel-Ziv-Welch compressed data format, described in T. A. Welch, “A Technique for High-Performance Data Compression”, Computer, 17(6) (June 1984), pp 8-19.
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Package lzw implements the Lempel-Ziv-Welch compressed data format, described in T. A. Welch, “A Technique for High-Performance Data Compression”, Computer, 17(6) (June 1984), pp 8-19. |
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go/compress/zlib
Package zlib implements reading and writing of zlib format compressed data, as specified in RFC 1950.
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Package zlib implements reading and writing of zlib format compressed data, as specified in RFC 1950. |
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go/container/heap
Package heap provides heap operations for any type that implements heap.Interface.
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Package heap provides heap operations for any type that implements heap.Interface. |
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go/container/list
Package list implements a doubly linked list.
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Package list implements a doubly linked list. |
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go/container/ring
Package ring implements operations on circular lists.
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Package ring implements operations on circular lists. |
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go/crypto
Package crypto collects common cryptographic constants.
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Package crypto collects common cryptographic constants. |
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go/crypto/aes
Package aes implements AES encryption (formerly Rijndael), as defined in U.S. Federal Information Processing Standards Publication 197.
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Package aes implements AES encryption (formerly Rijndael), as defined in U.S. Federal Information Processing Standards Publication 197. |
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go/crypto/cipher
Package cipher implements standard block cipher modes that can be wrapped around low-level block cipher implementations.
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Package cipher implements standard block cipher modes that can be wrapped around low-level block cipher implementations. |
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go/crypto/des
Package des implements the Data Encryption Standard (DES) and the Triple Data Encryption Algorithm (TDEA) as defined in U.S. Federal Information Processing Standards Publication 46-3.
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Package des implements the Data Encryption Standard (DES) and the Triple Data Encryption Algorithm (TDEA) as defined in U.S. Federal Information Processing Standards Publication 46-3. |
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go/crypto/dsa
Package dsa implements the Digital Signature Algorithm, as defined in FIPS 186-3.
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Package dsa implements the Digital Signature Algorithm, as defined in FIPS 186-3. |
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go/crypto/ecdsa
Package ecdsa implements the Elliptic Curve Digital Signature Algorithm, as defined in FIPS 186-3.
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Package ecdsa implements the Elliptic Curve Digital Signature Algorithm, as defined in FIPS 186-3. |
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go/crypto/elliptic
Package elliptic implements several standard elliptic curves over prime fields.
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Package elliptic implements several standard elliptic curves over prime fields. |
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go/crypto/hmac
Package hmac implements the Keyed-Hash Message Authentication Code (HMAC) as defined in U.S. Federal Information Processing Standards Publication 198.
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Package hmac implements the Keyed-Hash Message Authentication Code (HMAC) as defined in U.S. Federal Information Processing Standards Publication 198. |
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go/crypto/md5
Package md5 implements the MD5 hash algorithm as defined in RFC 1321.
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Package md5 implements the MD5 hash algorithm as defined in RFC 1321. |
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go/crypto/rand
Package rand implements a cryptographically secure pseudorandom number generator.
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Package rand implements a cryptographically secure pseudorandom number generator. |
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go/crypto/rc4
Package rc4 implements RC4 encryption, as defined in Bruce Schneier's Applied Cryptography.
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Package rc4 implements RC4 encryption, as defined in Bruce Schneier's Applied Cryptography. |
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go/crypto/rsa
Package rsa implements RSA encryption as specified in PKCS#1.
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Package rsa implements RSA encryption as specified in PKCS#1. |
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go/crypto/sha1
Package sha1 implements the SHA1 hash algorithm as defined in RFC 3174.
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Package sha1 implements the SHA1 hash algorithm as defined in RFC 3174. |
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go/crypto/sha256
Package sha256 implements the SHA224 and SHA256 hash algorithms as defined in FIPS 180-4.
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Package sha256 implements the SHA224 and SHA256 hash algorithms as defined in FIPS 180-4. |
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go/crypto/sha512
Package sha512 implements the SHA384 and SHA512 hash algorithms as defined in FIPS 180-2.
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Package sha512 implements the SHA384 and SHA512 hash algorithms as defined in FIPS 180-2. |
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go/crypto/subtle
Package subtle implements functions that are often useful in cryptographic code but require careful thought to use correctly.
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Package subtle implements functions that are often useful in cryptographic code but require careful thought to use correctly. |
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go/crypto/tls
Package tls partially implements TLS 1.2, as specified in RFC 5246.
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Package tls partially implements TLS 1.2, as specified in RFC 5246. |
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go/crypto/x509
Package x509 parses X.509-encoded keys and certificates.
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Package x509 parses X.509-encoded keys and certificates. |
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go/crypto/x509/pkix
Package pkix contains shared, low level structures used for ASN.1 parsing and serialization of X.509 certificates, CRL and OCSP.
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Package pkix contains shared, low level structures used for ASN.1 parsing and serialization of X.509 certificates, CRL and OCSP. |
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go/database/sql
Package sql provides a generic interface around SQL (or SQL-like) databases.
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Package sql provides a generic interface around SQL (or SQL-like) databases. |
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go/database/sql/driver
Package driver defines interfaces to be implemented by database drivers as used by package sql.
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Package driver defines interfaces to be implemented by database drivers as used by package sql. |
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go/debug/dwarf
Package dwarf provides access to DWARF debugging information loaded from executable files, as defined in the DWARF 2.0 Standard at http://dwarfstd.org/doc/dwarf-2.0.0.pdf
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Package dwarf provides access to DWARF debugging information loaded from executable files, as defined in the DWARF 2.0 Standard at http://dwarfstd.org/doc/dwarf-2.0.0.pdf |
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go/debug/elf
Package elf implements access to ELF object files.
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Package elf implements access to ELF object files. |
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go/debug/goobj
Package goobj implements reading of Go object files and archives.
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Package goobj implements reading of Go object files and archives. |
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go/debug/gosym
Package gosym implements access to the Go symbol and line number tables embedded in Go binaries generated by the gc compilers.
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Package gosym implements access to the Go symbol and line number tables embedded in Go binaries generated by the gc compilers. |
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go/debug/macho
Package macho implements access to Mach-O object files.
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Package macho implements access to Mach-O object files. |
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go/debug/pe
Package pe implements access to PE (Microsoft Windows Portable Executable) files.
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Package pe implements access to PE (Microsoft Windows Portable Executable) files. |
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go/debug/plan9obj
Package plan9obj implements access to Plan 9 a.out object files.
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Package plan9obj implements access to Plan 9 a.out object files. |
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go/encoding
Package encoding defines interfaces shared by other packages that convert data to and from byte-level and textual representations.
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Package encoding defines interfaces shared by other packages that convert data to and from byte-level and textual representations. |
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go/encoding/ascii85
Package ascii85 implements the ascii85 data encoding as used in the btoa tool and Adobe's PostScript and PDF document formats.
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Package ascii85 implements the ascii85 data encoding as used in the btoa tool and Adobe's PostScript and PDF document formats. |
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go/encoding/asn1
Package asn1 implements parsing of DER-encoded ASN.1 data structures, as defined in ITU-T Rec X.690.
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Package asn1 implements parsing of DER-encoded ASN.1 data structures, as defined in ITU-T Rec X.690. |
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go/encoding/base32
Package base32 implements base32 encoding as specified by RFC 4648.
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Package base32 implements base32 encoding as specified by RFC 4648. |
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go/encoding/base64
Package base64 implements base64 encoding as specified by RFC 4648.
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Package base64 implements base64 encoding as specified by RFC 4648. |
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go/encoding/binary
Package binary implements simple translation between numbers and byte sequences and encoding and decoding of varints.
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Package binary implements simple translation between numbers and byte sequences and encoding and decoding of varints. |
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go/encoding/csv
Package csv reads and writes comma-separated values (CSV) files.
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Package csv reads and writes comma-separated values (CSV) files. |
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go/encoding/gob
Package gob manages streams of gobs - binary values exchanged between an Encoder (transmitter) and a Decoder (receiver).
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Package gob manages streams of gobs - binary values exchanged between an Encoder (transmitter) and a Decoder (receiver). |
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go/encoding/hex
Package hex implements hexadecimal encoding and decoding.
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Package hex implements hexadecimal encoding and decoding. |
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go/encoding/json
Package json implements encoding and decoding of JSON objects as defined in RFC 4627.
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Package json implements encoding and decoding of JSON objects as defined in RFC 4627. |
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go/encoding/pem
Package pem implements the PEM data encoding, which originated in Privacy Enhanced Mail.
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Package pem implements the PEM data encoding, which originated in Privacy Enhanced Mail. |
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go/encoding/xml
Package xml implements a simple XML 1.0 parser that understands XML name spaces.
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Package xml implements a simple XML 1.0 parser that understands XML name spaces. |
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go/errors
Package errors implements functions to manipulate errors.
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Package errors implements functions to manipulate errors. |
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go/exp/proxy
Package proxy provides support for a variety of protocols to proxy network data.
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Package proxy provides support for a variety of protocols to proxy network data. |
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go/exp/terminal
Package terminal provides support functions for dealing with terminals, as commonly found on UNIX systems.
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Package terminal provides support functions for dealing with terminals, as commonly found on UNIX systems. |
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go/expvar
Package expvar provides a standardized interface to public variables, such as operation counters in servers.
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Package expvar provides a standardized interface to public variables, such as operation counters in servers. |
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go/flag
Package flag implements command-line flag parsing.
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Package flag implements command-line flag parsing. |
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go/fmt
Package fmt implements formatted I/O with functions analogous to C's printf and scanf.
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Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
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go/go/ast
Package ast declares the types used to represent syntax trees for Go packages.
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Package ast declares the types used to represent syntax trees for Go packages. |
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go/go/build
Package build gathers information about Go packages.
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Package build gathers information about Go packages. |
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go/go/doc
Package doc extracts source code documentation from a Go AST.
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Package doc extracts source code documentation from a Go AST. |
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go/go/format
Package format implements standard formatting of Go source.
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Package format implements standard formatting of Go source. |
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go/go/parser
Package parser implements a parser for Go source files.
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Package parser implements a parser for Go source files. |
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go/go/printer
Package printer implements printing of AST nodes.
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Package printer implements printing of AST nodes. |
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go/go/scanner
Package scanner implements a scanner for Go source text.
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Package scanner implements a scanner for Go source text. |
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go/go/token
Package token defines constants representing the lexical tokens of the Go programming language and basic operations on tokens (printing, predicates).
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Package token defines constants representing the lexical tokens of the Go programming language and basic operations on tokens (printing, predicates). |
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go/hash
Package hash provides interfaces for hash functions.
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Package hash provides interfaces for hash functions. |
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go/hash/adler32
Package adler32 implements the Adler-32 checksum.
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Package adler32 implements the Adler-32 checksum. |
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go/hash/crc32
Package crc32 implements the 32-bit cyclic redundancy check, or CRC-32, checksum.
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Package crc32 implements the 32-bit cyclic redundancy check, or CRC-32, checksum. |
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go/hash/crc64
Package crc64 implements the 64-bit cyclic redundancy check, or CRC-64, checksum.
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Package crc64 implements the 64-bit cyclic redundancy check, or CRC-64, checksum. |
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go/hash/fnv
Package fnv implements FNV-1 and FNV-1a, non-cryptographic hash functions created by Glenn Fowler, Landon Curt Noll, and Phong Vo.
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Package fnv implements FNV-1 and FNV-1a, non-cryptographic hash functions created by Glenn Fowler, Landon Curt Noll, and Phong Vo. |
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go/html
Package html provides functions for escaping and unescaping HTML text.
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Package html provides functions for escaping and unescaping HTML text. |
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go/html/template
Package template (html/template) implements data-driven templates for generating HTML output safe against code injection.
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Package template (html/template) implements data-driven templates for generating HTML output safe against code injection. |
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go/image
Package image implements a basic 2-D image library.
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Package image implements a basic 2-D image library. |
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go/image/color
Package color implements a basic color library.
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Package color implements a basic color library. |
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go/image/color/palette
Package palette provides standard color palettes.
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Package palette provides standard color palettes. |
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go/image/draw
Package draw provides image composition functions.
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Package draw provides image composition functions. |
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go/image/gif
Package gif implements a GIF image decoder and encoder.
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Package gif implements a GIF image decoder and encoder. |
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go/image/jpeg
Package jpeg implements a JPEG image decoder and encoder.
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Package jpeg implements a JPEG image decoder and encoder. |
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go/image/png
Package png implements a PNG image decoder and encoder.
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Package png implements a PNG image decoder and encoder. |
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go/index/suffixarray
Package suffixarray implements substring search in logarithmic time using an in-memory suffix array.
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Package suffixarray implements substring search in logarithmic time using an in-memory suffix array. |
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go/io
Package io provides basic interfaces to I/O primitives.
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Package io provides basic interfaces to I/O primitives. |
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go/io/ioutil
Package ioutil implements some I/O utility functions.
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Package ioutil implements some I/O utility functions. |
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go/log
Package log implements a simple logging package.
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Package log implements a simple logging package. |
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go/log/syslog
Package syslog provides a simple interface to the system log service.
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Package syslog provides a simple interface to the system log service. |
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go/math
Package math provides basic constants and mathematical functions.
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Package math provides basic constants and mathematical functions. |
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go/math/big
Package big implements multi-precision arithmetic (big numbers).
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Package big implements multi-precision arithmetic (big numbers). |
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go/math/cmplx
Package cmplx provides basic constants and mathematical functions for complex numbers.
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Package cmplx provides basic constants and mathematical functions for complex numbers. |
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go/math/rand
Package rand implements pseudo-random number generators.
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Package rand implements pseudo-random number generators. |
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go/mime
Package mime implements parts of the MIME spec.
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Package mime implements parts of the MIME spec. |
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go/mime/multipart
Package multipart implements MIME multipart parsing, as defined in RFC 2046.
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Package multipart implements MIME multipart parsing, as defined in RFC 2046. |
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go/net
Package net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets.
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Package net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets. |
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go/net/http
Package http provides HTTP client and server implementations.
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Package http provides HTTP client and server implementations. |
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go/net/http/cgi
Package cgi implements CGI (Common Gateway Interface) as specified in RFC 3875.
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Package cgi implements CGI (Common Gateway Interface) as specified in RFC 3875. |
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go/net/http/cookiejar
Package cookiejar implements an in-memory RFC 6265-compliant http.CookieJar.
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Package cookiejar implements an in-memory RFC 6265-compliant http.CookieJar. |
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go/net/http/fcgi
Package fcgi implements the FastCGI protocol.
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Package fcgi implements the FastCGI protocol. |
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go/net/http/httptest
Package httptest provides utilities for HTTP testing.
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Package httptest provides utilities for HTTP testing. |
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go/net/http/httputil
Package httputil provides HTTP utility functions, complementing the more common ones in the net/http package.
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Package httputil provides HTTP utility functions, complementing the more common ones in the net/http package. |
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go/net/http/pprof
Package pprof serves via its HTTP server runtime profiling data in the format expected by the pprof visualization tool.
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Package pprof serves via its HTTP server runtime profiling data in the format expected by the pprof visualization tool. |
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go/net/mail
Package mail implements parsing of mail messages.
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Package mail implements parsing of mail messages. |
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go/net/rpc
Package rpc provides access to the exported methods of an object across a network or other I/O connection.
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Package rpc provides access to the exported methods of an object across a network or other I/O connection. |
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go/net/rpc/jsonrpc
Package jsonrpc implements a JSON-RPC ClientCodec and ServerCodec for the rpc package.
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Package jsonrpc implements a JSON-RPC ClientCodec and ServerCodec for the rpc package. |
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go/net/smtp
Package smtp implements the Simple Mail Transfer Protocol as defined in RFC 5321.
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Package smtp implements the Simple Mail Transfer Protocol as defined in RFC 5321. |
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go/net/textproto
Package textproto implements generic support for text-based request/response protocols in the style of HTTP, NNTP, and SMTP.
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Package textproto implements generic support for text-based request/response protocols in the style of HTTP, NNTP, and SMTP. |
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go/net/url
Package url parses URLs and implements query escaping.
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Package url parses URLs and implements query escaping. |
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go/old/regexp
Package regexp implements a simple regular expression library.
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Package regexp implements a simple regular expression library. |
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go/old/template
Package template implements data-driven templates for generating textual output such as HTML.
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Package template implements data-driven templates for generating textual output such as HTML. |
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go/os
Package os provides a platform-independent interface to operating system functionality.
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Package os provides a platform-independent interface to operating system functionality. |
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go/os/exec
Package exec runs external commands.
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Package exec runs external commands. |
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go/os/signal
Package signal implements access to incoming signals.
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Package signal implements access to incoming signals. |
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go/os/user
Package user allows user account lookups by name or id.
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Package user allows user account lookups by name or id. |
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go/path
Package path implements utility routines for manipulating slash-separated paths.
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Package path implements utility routines for manipulating slash-separated paths. |
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go/path/filepath
Package filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths.
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Package filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths. |
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go/reflect
Package reflect implements run-time reflection, allowing a program to manipulate objects with arbitrary types.
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Package reflect implements run-time reflection, allowing a program to manipulate objects with arbitrary types. |
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go/regexp
Package regexp implements regular expression search.
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Package regexp implements regular expression search. |
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go/regexp/syntax
Package syntax parses regular expressions into parse trees and compiles parse trees into programs.
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Package syntax parses regular expressions into parse trees and compiles parse trees into programs. |
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go/runtime
Package runtime contains operations that interact with Go's runtime system, such as functions to control goroutines.
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Package runtime contains operations that interact with Go's runtime system, such as functions to control goroutines. |
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go/runtime/debug
Package debug contains facilities for programs to debug themselves while they are running.
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Package debug contains facilities for programs to debug themselves while they are running. |
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go/runtime/pprof
Package pprof writes runtime profiling data in the format expected by the pprof visualization tool.
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Package pprof writes runtime profiling data in the format expected by the pprof visualization tool. |
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go/sort
Package sort provides primitives for sorting slices and user-defined collections.
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Package sort provides primitives for sorting slices and user-defined collections. |
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go/strconv
Package strconv implements conversions to and from string representations of basic data types.
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Package strconv implements conversions to and from string representations of basic data types. |
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go/strings
Package strings implements simple functions to manipulate strings.
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Package strings implements simple functions to manipulate strings. |
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go/sync
Package sync provides basic synchronization primitives such as mutual exclusion locks.
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Package sync provides basic synchronization primitives such as mutual exclusion locks. |
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go/sync/atomic
Package atomic provides low-level atomic memory primitives useful for implementing synchronization algorithms.
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Package atomic provides low-level atomic memory primitives useful for implementing synchronization algorithms. |
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go/syscall
Package syscall contains an interface to the low-level operating system primitives.
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Package syscall contains an interface to the low-level operating system primitives. |
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go/testing
Package testing provides support for automated testing of Go packages.
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Package testing provides support for automated testing of Go packages. |
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go/testing/iotest
Package iotest implements Readers and Writers useful mainly for testing.
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Package iotest implements Readers and Writers useful mainly for testing. |
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go/testing/quick
Package quick implements utility functions to help with black box testing.
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Package quick implements utility functions to help with black box testing. |
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go/text/scanner
Package scanner provides a scanner and tokenizer for UTF-8-encoded text.
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Package scanner provides a scanner and tokenizer for UTF-8-encoded text. |
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go/text/tabwriter
Package tabwriter implements a write filter (tabwriter.Writer) that translates tabbed columns in input into properly aligned text.
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Package tabwriter implements a write filter (tabwriter.Writer) that translates tabbed columns in input into properly aligned text. |
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go/text/template
Package template implements data-driven templates for generating textual output.
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Package template implements data-driven templates for generating textual output. |
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go/text/template/parse
Package parse builds parse trees for templates as defined by text/template and html/template.
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Package parse builds parse trees for templates as defined by text/template and html/template. |
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go/time
Package time provides functionality for measuring and displaying time.
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Package time provides functionality for measuring and displaying time. |
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go/unicode
Package unicode provides data and functions to test some properties of Unicode code points.
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Package unicode provides data and functions to test some properties of Unicode code points. |
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go/unicode/utf16
Package utf16 implements encoding and decoding of UTF-16 sequences.
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Package utf16 implements encoding and decoding of UTF-16 sequences. |
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go/unicode/utf8
Package utf8 implements functions and constants to support text encoded in UTF-8.
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Package utf8 implements functions and constants to support text encoded in UTF-8. |
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