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fix IsDefinedAt #2

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fix IsDefinedAt #2

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4 changes: 2 additions & 2 deletions Scripts/Extensions/IListExt.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -856,9 +856,9 @@ public static void Apply<T>( this IList<T> list, Func<T, T> func )
/// <summary>
/// 指定されたインデックスに要素が存在する場合に true を返します
/// </summary>
public static bool IsDefinedAt<T>( IList<T> self, int index )
public static bool IsDefinedAt<T>( this IList<T> self, int index )
{
return index < self.Count;
return index >= 0 && index < self.Count;
}
}
}