return CultureInfo.InvariantCulture.CompareInfo.Compare(this, value, CompareOptions.IgnoreCase) == 0;
case StringComparison.Ordinal:
return this.Length == value.Length && string.EqualsHelper(this, value);
case StringComparison.OrdinalIgnoreCase:
if (this.Length != value.Length)
{
return false;
}
if (this.IsAscii() && value.IsAscii())
{
return string.CompareOrdinalIgnoreCaseHelper(this, value) == 0;
}
return TextInfo.CompareOrdinalIgnoreCase(this, value) == 0;
default:
throw new ArgumentException(Environment.GetResourceString("NotSupported_StringComparison"), "comparisonType");
}
}
[__DynamicallyInvokable, TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
public static bool Equals(string a, string b)
{
return a == b || (a != null && b != null && a.Length == b.Length && string.EqualsHelper(a, b));
}
[__DynamicallyInvokable, SecuritySafeCritical]
public static bool Equals(string a, string b, StringComparison comparisonType)
{
if (comparisonType < StringComparison.CurrentCulture || comparisonType > StringComparison.OrdinalIgnoreCase)
