feature request: __ARGS__ for logging (cf __FILE__, __LINE__, __FUNC___)

[Timon Gehr]

On 02/05/2013 08:26 AM, Jacob Carlborg wrote:
> On 2013-02-05 01:29, Timon Gehr wrote:
>
>> Well, ideally something like
>>
>> ast.match{
>>      2*(?a)  => a+a,
>>      (?a)+2  => 2+a,
>>      (?e)    => e,
>> }
>
> Could you please elaborate how that would be, what the semantics would
> be. It doesn't look like any pattern matching I've seen in any other
> languages.
>
> For example, which value does it match on?
>

Eg:

if ast == <[2*x]>, then the result will be <[x+x]>
if ast == <[y+2]>, then the result will be <[2+y]>