21 lines
759 B
C#
21 lines
759 B
C#
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namespace System.Collections.Generic;
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public static class AdjudicationDictionaryExtensions
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{
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/// <summary>
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/// Create and add a value to a dictionary only if the key is not already present.
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/// </summary>
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/// <param name="dictionary">The dictionary to check for the key.</param>
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/// <param name="key">The key to check and use if it isn't already present.</param>
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/// <param name="valueFunc">A function that returns the value to insert if the key is not present.</param>
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public static void Ensure<TKey, TValue>(
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this IDictionary<TKey, TValue> dictionary,
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TKey key,
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Func<TValue> valueFunc)
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{
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if (!dictionary.ContainsKey(key))
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{
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dictionary[key] = valueFunc();
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}
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}
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}
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