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Optimization in Unanimous methods

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This commit is contained in:
Chris Cameron
2018-02-02 10:54:47 -05:00
parent 06a82513ed
commit 3f0ca4dd87
1 changed files with 9 additions and 15 deletions
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24
ICD.Common.Utils/Extensions/EnumerableExtensions.cs
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@@ -597,9 +597,9 @@ namespace ICD.Common.Utils.Extensions
} }
/// <summary> /// <summary>
/// Returns other if the list is empty. /// Returns other if the sequence is empty.
/// Returns other if the list is non-empty and there are two different elements. /// Returns other if the sequence is non-empty and there are two different elements.
/// Returns the element of the list if it is non-empty and all elements are the same. /// Returns the element of the sequence if it is non-empty and all elements are the same.
/// </summary> /// </summary>
/// <param name="extends"></param> /// <param name="extends"></param>
/// <param name="other"></param> /// <param name="other"></param>
@@ -610,14 +610,14 @@ namespace ICD.Common.Utils.Extensions
if (extends == null) if (extends == null)
throw new ArgumentNullException("extends"); throw new ArgumentNullException("extends");
T[] array = extends as T[] ?? extends.ToArray(); T[] array = extends.Distinct().ToArray();
return array.Unanimous() ? array.First() : other; return array.Length == 1 ? array[0] : other;
} }
/// <summary> /// <summary>
/// Returns false if the list is empty. /// Returns false if the sequence is empty.
/// Returns false if the list is non-empty and there are two different elements. /// Returns false if the sequence is non-empty and there are two different elements.
/// Returns true if the list is non-empty and all elements are the same. /// Returns true if the sequence is non-empty and all elements are the same.
/// </summary> /// </summary>
/// <param name="extends"></param> /// <param name="extends"></param>
/// <returns></returns> /// <returns></returns>
@@ -627,13 +627,7 @@ namespace ICD.Common.Utils.Extensions
if (extends == null) if (extends == null)
throw new ArgumentNullException("extends"); throw new ArgumentNullException("extends");
T[] array = extends as T[] ?? extends.ToArray(); return extends.Distinct().Count() == 1;
if (array.Length == 0)
return false;
T val = array.First();
return array.All(x => EqualityComparer<T>.Default.Equals(x, val));
} }
/// <summary> /// <summary>