Anonymous function syntax

[Andrei Alexandrescu]

On 9/22/11 3:49 AM, Jacob Carlborg wrote:
> On 2011-09-22 00:50, Andrei Alexandrescu wrote:
>> On 9/21/11 5:29 PM, bearophile wrote:
>>> Walter Bright:
>>>
>>>> D
>>>> (a,b) { return a + b; }
>>>
>>> In D to define a true lambda you need types too:
>>> auto f = (int a,int b){ return a + b; };
>>
>> No.
>>
>> Andrei
>
> void foo (int delegate (int, int) a){}
>
> void main ()
> {
> foo((a, b) { return a +b;});
> }
>
> Results in:
>
> main.d(48): Error: undefined identifier a
> main.d(48): Error: undefined identifier b
> main.d(48): Error: function main.foo (int delegate(int, int) a) is not
> callable using argument types (_error_ delegate(_error_, _error_))
> main.d(48): Error: cannot implicitly convert expression (__dgliteral1)
> of type _error_ delegate(_error_, _error_) to int delegate(int, int)
> Failed: /Users/jacob/.dvm/bin/dvm-current-dc -v -o-
> '/Users/jacob/development/d/main.d' -I'/Users/jacob/development/d'
>  >/Users/jacob/development/d/main.d.deps

That's a bug in the compiler.

Andrei