Juha Paananen raimohanska
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| func Map[A any, B any](things []A, mapper func (x A) B) []B { | |
| result := make([] B, len(things)) | |
| for i := range(things) { | |
| result[i] = mapper(things[i]) | |
| } | |
| return result | |
| } | |
| func Filter[A any](things []A, predicate func (x A) bool) []A { | |
| result := make([] A, len(things)) |
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