maps

Documentation

Index

• func Group[K comparable, V any](s []V, key func(V) K) map[K][]V
• func Keys[M ~map[K]V, K comparable, V any](m M) []K
• func SameKeys[K comparable, V1, V2 any](x map[K]V1, y map[K]V2) bool

Functions

func Group

func Group[K comparable, V any](s []V, key func(V) K) map[K][]V

Group returns a new non-nil map containing the elements of s grouped by the keys returned from the key func.

func Keys

func Keys[M ~map[K]V, K comparable, V any](m M) []K

Keys returns the keys of the map M.

func SameKeys

func SameKeys[K comparable, V1, V2 any](x map[K]V1, y map[K]V2) bool

SameKeys reports whether x and y have equal sets of keys.