value

package

v0.21.0 Latest Latest Go to latest Published: Feb 15, 2026 License: MIT Imports: 1 Imported by: 0

Details

Package value provides value-first conditional selection. Use this for selecting a value with a fallback, not for executing branches of logic.

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

Cond holds a value pending a condition check.

func Of[T any](t T) Cond[T]

Of wraps a value for conditional selection.

func (c Cond[T]) When(ok bool) option.Basic[T]

When returns an option: Ok(value) if condition true, NotOk if false.

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

LazyCond holds a function for deferred value computation.

func OfCall[T any](fn func() T) LazyCond[T]

OfCall wraps a function for lazy conditional selection. The function is only called if the condition is true.

func (c LazyCond[T]) When(ok bool) option.Basic[T]

When evaluates fn only if condition true, returns option.