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11 lines
261 B
Go
11 lines
261 B
Go
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package slicesutil
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// ExtendCapacity returns a with the capacity extended to len(a)+n if needed.
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func ExtendCapacity[T any](a []T, n int) []T {
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aLen := len(a)
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if n := aLen + n - cap(a); n > 0 {
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a = append(a[:cap(a)], make([]T, n)...)
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}
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return a[:aLen]
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}
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