18 lines
556 B
C#
18 lines
556 B
C#
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using System.Collections.Generic;
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namespace HC
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{
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public static class HCExtensions
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{
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public static void AddIfNotExists<TKey, TValue>(this IDictionary<TKey, TValue> dictionary, TKey key, TValue value)
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{
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if (!dictionary.ContainsKey(key))
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dictionary.Add(key, value);
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}
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public static TValue GetValue<TKey, TValue>(this IDictionary<TKey, TValue> dictionary, TKey key, TValue defalut)
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{
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return dictionary.TryGetValue(key, out var value) ? value : defalut;
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}
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}
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}
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