28 lines
492 B
Go
28 lines
492 B
Go
package utils
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func Map[S, T any](source []S, f func(S) T) []T {
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dest := make([]T, len(source))
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for i, elem := range source {
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dest[i] = f(elem)
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}
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return dest
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}
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func Reduce[S, T any](source []S, initialValue T, f func(T, S) T) T {
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acc := initialValue
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for _, elem := range source {
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acc = f(acc, elem)
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}
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return acc
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}
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func Filter[T any](source []T, f func(T) bool) []T {
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var dest []T
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for _, elem := range source {
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if f(elem) {
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dest = append(dest, elem)
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}
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}
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return dest
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}
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