optional

package

v3.0.0-alpha2.105 Latest Latest Go to latest Published: Jun 21, 2026 License: MIT Imports: 0 Imported by: 0

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var False = NewBool(false)

False is a Bool set to false.

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var True = NewBool(true)

True is a Bool set to true.

This section is empty.

type Bool = Var[bool]

Bool is an optional bool value.

func NewBool(val bool) Bool

NewBool creates a new Bool with the given value.

type Var[T any] struct {
	// contains filtered or unexported fields
}

Var is a generic optional value that tracks whether it has been set.

func NewVar[T any](val T) Var[T]

NewVar creates a new Var with the given value, marked as set.

func (v *Var[T]) Get() T

Get returns the value, or the zero value if unset.

func (v *Var[T]) IsSet() bool

IsSet reports whether a value has been assigned.

func (v *Var[T]) Set(val T)

Set assigns a value and marks the variable as set.

func (v *Var[T]) Unset()

Unset resets the variable to the zero value and marks it as unset.