monads

Monads, For Golang, Using Generics
git clone git://git.lair.cx/monads
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filter.go (229B)

      1 package slices
      2 
      3 func Filter[T any](items []T, action func(T) bool) (result []T) {
      4 	result = make([]T, 0, len(items))
      5 	for _, item := range items {
      6 		if !action(item) {
      7 			continue
      8 		}
      9 		result = append(result, item)
     10 	}
     11 	return
     12 }