What to do about default function arguments

Sean Kelly sean at invisibleduck.org
Thu Apr 26 08:06:59 PDT 2012


On Apr 25, 2012, at 9:10 PM, Walter Bright <newshound2 at digitalmars.com> wrote:

> On 4/25/2012 8:44 PM, Walter Bright wrote:
>> The problem centers around name mangling. If two types mangle the same, then
>> they are the same type. But default arguments are not part of the mangled
>> string. Hence the schizophrenic behavior.
> 
> One might suggest mangling the default argument into the type. But default arguments need not be compile time constants - they are evaluated at runtime! Hence the unattractive specter of trying to mangle a runtime expression.

Sounds to me like you just answered your own question :-)


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