[Mono-list] string equals method

[Alan]

If you look at that source you cannot contribute to mono. The licenses are
not compatible.

Alan

On 21 May 2013 19:00, Daniel Lo Nigro <lists at dan.cx> wrote:

> The .NET question is easy to answer by using Reflector/ILSpy/or similar.
>
> The source code for String is probably in the SSCLI source which Microsoft
> have publicly released.
>
>
> On Wed, May 22, 2013 at 8:34 AM, Danny <dgortonii at gmail.com> wrote:
>
>> The mono question is easy to answer by looking at their sources.  The
>> .NET question is easy to answer by using Reflector/ILSpy/or similar.  I
>> won't answer the .NET question here b/c I don't want to cause any IP issues
>> with posting .NET internal information on a mono site.
>>
>>
>> On 05/21/2013 06:25 PM, Edward Ned Harvey (mono) wrote:
>>
>>> Msdn says string.Equals() overrides the string == operator.
>>>
>>> Msdn also says it's an ordinal comparison, blah blah.
>>>
>>> The thing I'd like to know:  Ordinal string comparison tends to be an
>>> expensive thing to do.  This can be skipped under certain circumstances,
>>> such as, if ReferenceEquals returns true, or if the two string length's
>>> are different.
>>>
>>> Can anybody authoritatively say, under the hood, that .Net or mono
>>> actually do this sort of acceleration in the string.Equals() method?
>>>
>>> public static bool operator ==( string a, string b)
>>>
>>> {
>>>
>>>                  if ( Object.ReferenceEquals(a,b) )
>>>
>>>                                  return true;
>>>
>>>                  else
>>>
>>>                  {
>>>
>>>                                  if ( a.Length != b.Length )
>>>
>>>                                                  return false;
>>>
>>>                                  else
>>>
>>>                                  {
>>>
>>>                                                  for ( int i=0;
>>> i<a.Length ; i++ )
>>>
>>>                                                                  if (
>>> a[i] != b[i] )
>>>
>>>
>>>          return false;
>>>
>>>                                                  return true;
>>>
>>>                                  }
>>>
>>>                  }
>>>
>>> }
>>>
>>>
>>>
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>
>
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