/// <summary>
/// Determines whether the end of the <paramref name="span"/> matches the specified <paramref name="value"/> when compared using the specified <paramref name="comparisonType"/> option.
/// </summary>
/// <param name="span">The source span.</param>
/// <param name="value">The sequence to compare to the end of the source span.</param>
/// <param name="comparisonType">One of the enumeration values that determines how the <paramref name="span"/> and <paramref name="value"/> are compared.</param>
public static bool EndsWith(this ReadOnlySpan <char> span, ReadOnlySpan <char> value, StringComparison comparisonType)
{
string.CheckStringComparison(comparisonType);
switch (comparisonType)
{
case StringComparison.CurrentCulture:
case StringComparison.CurrentCultureIgnoreCase:
return(CultureInfo.CurrentCulture.CompareInfo.IsSuffix(span, value, string.GetCaseCompareOfComparisonCulture(comparisonType)));
case StringComparison.InvariantCulture:
case StringComparison.InvariantCultureIgnoreCase:
return(CompareInfo.Invariant.IsSuffix(span, value, string.GetCaseCompareOfComparisonCulture(comparisonType)));
case StringComparison.Ordinal:
return(span.EndsWith(value));
default:
Debug.Assert(comparisonType == StringComparison.OrdinalIgnoreCase);
return(span.EndsWithOrdinalIgnoreCase(value));
}
}
