26 lines
420 B
Go
26 lines
420 B
Go
package collections
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type Set[V comparable] map[V]struct{}
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func NewSet[V comparable](values ...V) Set[V] {
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out := make(map[V]struct{}, len(values))
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for _, value := range values {
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out[value] = struct{}{}
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}
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return out
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}
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func (s Set[V]) Array() []V {
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out := make([]V, 0, len(s))
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for k := range s {
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out = append(out, k)
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}
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return out
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}
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func (s Set[V]) Contains(other V) bool {
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_, ok := s[other]
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return ok
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}
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