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