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predicate

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Published: Oct 12, 2026 License: Apache-2.0 Imports: 0 Imported by: 0

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Functions

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Types

type P

type P[T any] func(T) bool

P is a predicate function that tests whether a value of type T satisfies some condition.

func (P[T]) And

func (p P[T]) And(ps ...P[T]) P[T]

And returns a predicate that is a short-circuiting logical AND of this and the given predicates.

func (P[T]) Filter

func (p P[T]) Filter(s []T) []T

Filter returns a new slice holding only the elements of s that satisfy p. Filter modifies the contents of the slice s and returns the modified slice, which may have a smaller length.

func (P[T]) FilterCopy

func (p P[T]) FilterCopy(s []T) []T

FilterCopy returns a new slice holding only the elements of s that satisfy p.

func (P[T]) Negate

func (p P[T]) Negate() P[T]

Negate returns a predicate that is a logical negation of this predicate.

func (P[T]) Or

func (p P[T]) Or(ps ...P[T]) P[T]

Or returns a predicate that is a short-circuiting logical OR of this and the given predicates.

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