example

package module

v0.0.0-...-54f2b1c Latest Latest Go to latest Published: Jun 25, 2020 License: MIT Imports: 7 Imported by: 0

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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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var ErrInvalidSpecification = errors.New("specification must be a struct pointer")

ErrInvalidSpecification indicates that a specification is of the wrong type.

func MustProcess(spec interface{})

MustProcess is the same as Process but panics if an error occurs

func Process(spec interface{}) error

Process populates the specified struct based on environment variables

type Decoder interface {
	Decode(value string) error
}

Decoder has the same semantics as Setter, but takes higher precedence. It is provided for historical compatibility.

type ParseError struct {
	FieldName string
	TypeName  string
	Value     string
	Err       error
}

A ParseError occurs when an environment variable cannot be converted to the type required by a struct field during assignment.

func (e *ParseError) Error() string

type Setter interface {
	Set(value string) error
}

Setter is implemented by types can self-deserialize values. Any type that implements flag.Value also implements Setter.