38 lines
751 B
Go
38 lines
751 B
Go
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package mapx
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// The type implements map type where
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// you can get, set and delete by value
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// since it store everything as ONLY entity
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// both for keys and values way.
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// Use only when you do not care about the order.
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type UniqMap[K, V comparable] struct {
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store map[K] V
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rstore map[V] K
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}
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// Returns new empty UniqMap.
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func NewUniq[K, V comparable]() *UniqMap[K, V] {
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return &UniqMap[K, V]{
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make(map[K] V),
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make(map[V] K),
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}
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}
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// Sets new value v for the k key.
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func (m *UniqMap[K, V]) Set(k K, v V) {
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m.store[k] = v
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m.rstore[v] = k
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}
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// Get value by the k key.
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func (m *UniqMap[K, V]) Get(k K) (V, bool) {
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v, ok := m.store[k]
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return v, ok
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}
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func (m *UniqMap[K, V]) GetByValue(v V) (K, bool) {
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k, ok := m.rstore[v]
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return k, ok
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}
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