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Code Issues

🐎 Improve performancee on string.IsLower()

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Item for #12
This commit is contained in:
Oliver Booth 2021-01-14 18:18:52 +00:00
parent 16fb54da31
commit b7514fdead
1 changed files with 16 additions and 3 deletions
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19
X10D/src/StringExtensions.cs
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@ -179,14 +179,27 @@
/// <summary> /// <summary>
/// Determines if all alpha characters in this string are considered lowercase. /// Determines if all alpha characters in this string are considered lowercase.
/// </summary> /// </summary>
/// <param name="str">The input string.</param> /// <param name="value">The input string.</param>
/// <returns> /// <returns>
/// Returns <see langword="true" /> if all alpha characters are lowercase, <see langword="false" /> /// Returns <see langword="true" /> if all alpha characters are lowercase, <see langword="false" />
/// otherwise. /// otherwise.
/// </returns> /// </returns>
public static bool IsLower(this string str) public static bool IsLower(this string value)
{ {
return str.Where(char.IsLetter).All(char.IsLower); for (var index = 0; index < value.Length; index++)
{
if (!char.IsLetter(value[index]))
{
continue;
}
if (!char.IsLower(value[index]))
{
return false;
}
}
return true;
} }
/// <summary> /// <summary>