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19 lines
305 B
Go
19 lines
305 B
Go
package functions
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func MapArrayInsert[K comparable, V any](m map[K][]V, k K, v V) {
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l, ok := m[k]
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if !ok {
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m[k] = []V{v}
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} else {
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m[k] = append(l, v)
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}
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}
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func Keys[K comparable, V any](m map[K]V) []K {
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keys := make([]K, 0, len(m))
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for k := range m {
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keys = append(keys, k)
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}
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return keys
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}
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