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Code Issues

Remove redundant IsEnum check

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where : Enum constraint should suffice
This commit is contained in:
Oliver Booth 2021-03-10 11:09:10 +00:00
parent f0ee53befb
commit 9837940079
1 changed files with 0 additions and 10 deletions
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10
X10D/src/EnumExtensions/EnumExtensions.cs
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@ -23,11 +23,6 @@ namespace X10D.EnumExtensions
public static T Next<T>(this T source, bool wrap = true) public static T Next<T>(this T source, bool wrap = true)
where T : struct, Enum where T : struct, Enum
{ {
if (!typeof(T).IsEnum)
{
throw new ArgumentException($"Argument {typeof(T).FullName} is not an enum");
}
var array = (T[])Enum.GetValues(source.GetType()); var array = (T[])Enum.GetValues(source.GetType());
var index = Array.IndexOf(array, source) + 1; var index = Array.IndexOf(array, source) + 1;
return array.Length == index ? array[wrap ? 0 : index - 1] : array[index]; return array.Length == index ? array[wrap ? 0 : index - 1] : array[index];
@ -49,11 +44,6 @@ namespace X10D.EnumExtensions
public static T Previous<T>(this T source, bool wrap = true) public static T Previous<T>(this T source, bool wrap = true)
where T : struct, Enum where T : struct, Enum
{ {
if (!typeof(T).IsEnum)
{
throw new ArgumentException($"Argument {typeof(T).FullName} is not an Enum");
}
var array = (T[])Enum.GetValues(source.GetType()); var array = (T[])Enum.GetValues(source.GetType());
var index = Array.IndexOf(array, source) - 1; var index = Array.IndexOf(array, source) - 1;
return index < 0 ? array[wrap ? array.Length - 1 : 0] : array[index]; return index < 0 ? array[wrap ? array.Length - 1 : 0] : array[index];