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Aliaksandr Valialkin 2024-05-11 04:52:36 +02:00
parent 0c6ce34295
commit d8026dad3c
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lib/slicesutil/slicesutil.go Normal file
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package slicesutil
// ExtendCapacity returns a with the capacity extended to len(a)+n if needed.
func ExtendCapacity[T any](a []T, n int) []T {
aLen := len(a)
if n := aLen + n - cap(a); n > 0 {
a = append(a[:cap(a)], make([]T, n)...)
}
return a[:aLen]
}