Go · Concept

Maps

The Go maps package contains generic helpers for comparing, copying, filtering, and iterating over maps. It also supports building maps from and inserting entries from iterators.

Last updated 2 November 2026

Since

1.23.0 for All, Collect, Insert, Keys, and Values

func Equal[M1, M2 ~map[K]V, K, V comparable](m1 M1, m2 M2) bool
func Clone[M ~map[K]V, K comparable, V any](m M) M
func Copy[M1 ~map[K]V, M2 ~map[K]V, K comparable, V any](dst M1, src M2)
func EqualFunc[M1 ~map[K]V1, M2 ~map[K]V2, K comparable, V1, V2 any](m1 M1, m2 M2, eq func(V1, V2) bool) bool

Source: maps package - maps - Go Packages. Checked 2026-11-03.