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Update generics.go

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I just remove the make function from the MapKeys method, the new version looks cleaner.
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Orhan Erday 2022-09-26 16:06:54 +03:00 committed by GitHub
parent 4f668ee955
commit 257177d382
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examples/generics/generics.go
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@ -14,7 +14,7 @@ import "fmt"
// `V` has the `any` constraint, meaning that it's not // `V` has the `any` constraint, meaning that it's not
// restricted in any way (`any` is an alias for `interface{}`). // restricted in any way (`any` is an alias for `interface{}`).
func MapKeys[K comparable, V any](m map[K]V) []K { func MapKeys[K comparable, V any](m map[K]V) []K {
r := make([]K, 0, len(m)) var r []K
for k := range m { for k := range m {
r = append(r, k) r = append(r, k)
} }