Why Go
- Case Studies
  
  Common problems companies solve with Go
- Use Cases
  
  Stories about how and why companies use Go
- Security
  
  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
- API
  
  Reference documentation for the pkg.go.dev API
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

env

package module

Go to main page

Versions in this module

v1

v1.0.1

Dec 1, 2021

v1.0.0

Sep 30, 2019

v0

v0.1.0

Sep 10, 2018

Changes in this version

+ var ErrorHandler = StderrErrorHandler

+ var LogErrorHandler = func(err error)

+ var NullErrorHandler = func(error)

+ var StderrErrorHandler = func(err error)

+ var StdoutErrorHandler = func(err error)

+ func Clear()

+ func Fields() []string

+ func ParseFlags()

+ func Print(w io.Writer, format string) error

+ type BoolField struct

+ func Bool(name string, defaultValue bool, opts ...Option) *BoolField

+ func (i *BoolField) DefaultValue() string

+ func (i *BoolField) Description() string

+ func (i *BoolField) Get() bool

+ func (i *BoolField) Name() string

+ func (i *BoolField) Value() string

+ type BytesField struct

+ func Bytes(name string, defaultValue []byte, opts ...Option) *BytesField

+ func (bf *BytesField) DefaultValue() string

+ func (bf *BytesField) Description() string

+ func (bf *BytesField) Get() []byte

+ func (bf *BytesField) Name() string

+ func (bf *BytesField) Value() string

+ type DurationField struct

+ func Duration(name string, defaultValue time.Duration, opts ...Option) *DurationField

+ func (df *DurationField) DefaultValue() string

+ func (df *DurationField) Description() string

+ func (df *DurationField) Get() time.Duration

+ func (df *DurationField) Name() string

+ func (df *DurationField) Value() string

+ type Field interface

+ DefaultValue func() string

+ Description func() string

+ Name func() string

+ Value func() string

+ func RegisterField(field Field) Field

+ type IntField struct

+ func Int(name string, defaultValue int, opts ...Option) *IntField

+ func (i *IntField) DefaultValue() string

+ func (i *IntField) Description() string

+ func (i *IntField) Get() int

+ func (i *IntField) Name() string

+ func (i *IntField) Value() string

+ type IntsField struct

+ func Ints(name string, defaultValue []int, opts ...Option) *IntsField

+ func (isf *IntsField) DefaultValue() string

+ func (isf *IntsField) Description() string

+ func (isf *IntsField) Get() []int

+ func (isf *IntsField) Name() string

+ func (isf *IntsField) Value() string

+ type Option func(*options)

+ func AllowedValues(values ...string) Option

+ func Description(text string) Option

+ func Required() Option

+ type StringField struct

+ func String(name, defaultValue string, opts ...Option) *StringField

+ func (sf *StringField) DefaultValue() string

+ func (sf *StringField) Description() string

+ func (sf *StringField) Get() string

+ func (sf *StringField) Name() string

+ func (sf *StringField) Value() string

+ type StringsField struct

+ func Strings(name string, defaultValue []string, opts ...Option) *StringsField

+ func (sf *StringsField) DefaultValue() string

+ func (sf *StringsField) Description() string

+ func (sf *StringsField) Get() []string

+ func (sf *StringsField) Name() string

+ func (sf *StringsField) Value() string

Other modules containing this package

github.com/simia-tech/env/v2

github.com/simia-tech/env/v3