chapter04/

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Valid go.mod file

The Go module system was introduced in Go 1.11 and is the official dependency management solution for Go.
Redistributable license

Redistributable licenses place minimal restrictions on how software can be used, modified, and redistributed.
Tagged version

Modules with tagged versions give importers more predictable builds.
Stable version

When a project reaches major version v1 it is considered stable.
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Path	Synopsis
ch04ex01 Ch04ex01 counts the number of bits that are different in two SHA256 hashes.	Ch04ex01 counts the number of bits that are different in two SHA256 hashes.
ch04ex02 Ch04ex02 prints the SHA256 hash of its standard input, but supports command line flags for SHA384 or SHA512 hashes as well.	Ch04ex02 prints the SHA256 hash of its standard input, but supports command line flags for SHA384 or SHA512 hashes as well.
ch04ex03 Ch04ex03 reverses an array using a pointer instead of a slice.	Ch04ex03 reverses an array using a pointer instead of a slice.
ch04ex04 Ch04ex04 implements a single pass rotate function.	Ch04ex04 implements a single pass rotate function.
ch04ex05 Ch04ex05 implements an in-place function that eliminates adjacent duplicates in a []string slice.	Ch04ex05 implements an in-place function that eliminates adjacent duplicates in a []string slice.
ch04ex06 Ch04ex06 squashes adjacent Unicode spaces in a UTF-8-encoded byte slice.	Ch04ex06 squashes adjacent Unicode spaces in a UTF-8-encoded byte slice.
ch04ex07 Ch04ex07 reverses a byte slice representing a UTF-8 string in-place.	Ch04ex07 reverses a byte slice representing a UTF-8 string in-place.
ch04ex08 Ch04ex08 adds Unicode category counts to the charcount program.	Ch04ex08 adds Unicode category counts to the charcount program.
ch04ex09 Ch04ex09 counts the frequency of each word in an input text file.	Ch04ex09 counts the frequency of each word in an input text file.
ch04ex10
github Package github provides a Go API for the GitHub issue tracker.	Package github provides a Go API for the GitHub issue tracker.
issues Issues prints a table of GitHub issues matching the search terms.	Issues prints a table of GitHub issues matching the search terms.
ch04ex11
ghissues Ghissues lets you create, read, update and close GitHub issues from the command line.	Ghissues lets you create, read, update and close GitHub issues from the command line.
github Package github provides a Go API for the GitHub issue tracker.	Package github provides a Go API for the GitHub issue tracker.
ch04ex12 Ch04ex12 builds an index of xkcd transcripts that can be queried.	Ch04ex12 builds an index of xkcd transcripts that can be queried.
ch04ex13 Ch04ex13 queries the IMDb API at voku.xyz for movie titles and fetches the poster for the movie supplied as a command line argument.	Ch04ex13 queries the IMDb API at voku.xyz for movie titles and fetches the poster for the movie supplied as a command line argument.
ch04ex14
ghbrowser Ghbrowser runs an HTTP server to browse the issues of a GitHub repository.	Ghbrowser runs an HTTP server to browse the issues of a GitHub repository.
github Package github provides a Go API for the GitHub issue tracker.	Package github provides a Go API for the GitHub issue tracker.