Why Go
- Case Studies
  
  Common problems companies solve with Go
- Use Cases
  
  Stories about how and why companies use Go
- Security Policy
  
  How Go can help keep you secure by default
Learn
Docs
- Effective Go
  
  Tips for writing clear, performant, and idiomatic Go code
- Go User Manual
  
  A complete introduction to building software with Go
- Standard library
  
  Reference documentation for Go's standard library
- Release Notes
  
  Learn what's new in each Go release
Packages
Community
- Recorded Talks
  
  Videos from prior events
- Meetups
  
  Meet other local Go developers
- Conferences
  
  Learn and network with Go developers from around the world
- Go blog
  
  The Go project's official blog.
- Go project
  
  Get help and stay informed from Go
- Get connected

envconfig

package module

Go to main page

Versions in this module

v1

v1.0.1001000001003

May 19, 2024

Changes in this version

type Lookuper

+ LookupKey func(key string) string

v1.0.1001000001002

Apr 14, 2024

v1.0.1001000001001

Apr 1, 2024

Changes in this version

+ type Config struct

+ DefaultDecodeUnset bool

+ DefaultDelimiter string

+ DefaultNoInit bool

+ DefaultOverwrite bool

+ DefaultRequired bool

+ DefaultSeparator string

+ Lookuper Lookuper

+ Mutators []Mutator

+ Target any

+ type Mutator interface

+ EnvMutate func(ctx context.Context, ...) (newValue string, stop bool, err error)

type MutatorFunc

+ func LegacyMutatorFunc(fn func(ctx context.Context, key, value string) (string, error)) MutatorFunc

+ func (m MutatorFunc) EnvMutate(ctx context.Context, ...) (newValue string, stop bool, err error)

v1.0.1001000001001-alpha.3

Apr 1, 2024

v0

v0.6.2000006002001

Jun 5, 2022

v0.6.1000006000003

May 23, 2022

v0.6.1000006000002

May 23, 2022

Changes in this version

+ func PreProcessWith(ctx context.Context, i interface{}, l Lookuper, fns ...MutatorFunc) error

v0.6.1000006000001

May 22, 2022

Changes in this version

+ const ErrInvalidEnvvarName

+ const ErrInvalidMapItem

+ const ErrLookuperNil

+ const ErrMissingKey

+ const ErrMissingRequired

+ const ErrNoInitNotPtr

+ const ErrNotPtr

+ const ErrNotStruct

+ const ErrPrefixNotStruct

+ const ErrPrivateField

+ const ErrRequiredAndDefault

+ const ErrUnknownOption

+ func Process(ctx context.Context, i interface{}) error

+ func ProcessWith(ctx context.Context, i interface{}, l Lookuper, fns ...MutatorFunc) error

+ type Base64Bytes []byte

+ func (b *Base64Bytes) EnvDecode(val string) error

+ func (b Base64Bytes) Bytes() []byte

+ type Decoder interface

+ EnvDecode func(val string) error

+ type Error string

+ func (e Error) Error() string

+ type HexBytes []byte

+ func (b *HexBytes) EnvDecode(val string) error

+ func (b HexBytes) Bytes() []byte

+ type Lookuper interface

+ Lookup func(key string) (string, bool)

+ func MapLookuper(m map[string]string) Lookuper

+ func MultiLookuper(lookupers ...Lookuper) Lookuper

+ func OsLookuper() Lookuper

+ func PrefixLookuper(prefix string, l Lookuper) Lookuper

+ type MutatorFunc func(ctx context.Context, k, v string) (string, error)