29 lines
771 B
Go
29 lines
771 B
Go
package slices
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func Of[T any](values ...T) []T {
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return values
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}
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// OfMap returns a slice containing the return values of the Unmapper
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// applied to any key-value pair in m
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// The order is random
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func OfMap[K comparable, V, T any](m map[K]V, unmapper MapUnmapper[K, V, T]) []T {
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out := make([]T, 0, len(m))
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for k, v := range m {
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out = append(out, unmapper(k, v))
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}
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return out
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}
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// UnmapKey is an Unmapper which returns the map key only
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// and discards its value. It is supposed to be used with OfMap
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func UnmapKey[K comparable, V any](key K, _ V) K {
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return key
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}
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// UnmapValue is an Unmapper which returns the map value only
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// and discards its key. It is supposed to be used with OfMap
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func UnmapValue[K comparable, V any](_ K, value V) V {
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return value
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}
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