Anonymous function syntax

Timon Gehr timon.gehr at gmx.ch
Thu Sep 22 16:42:26 PDT 2011


On 09/22/2011 11:46 PM, Walter Bright wrote:
> On 9/22/2011 1:13 PM, Jacob Carlborg wrote:
>> I function/delegate that returns a value should be implicitly
>> converted to a
>> function/delegate that returns void.
>
>
> That doesn't work in some cases - consider a function that returns an
> object that the caller must destruct. Or even just returns a struct -
> the caller passes in a hidden pointer to where the return type gets
> written.
>
> Implicit conversion of function pointers and delegates requires binary
> ABI compatibility.

The compiler could insert a thunk that discards the result if the two 
delegate types are not ABI compatible.


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