Possible?
Bill Baxter
wbaxter at gmail.com
Fri Nov 13 14:51:26 PST 2009
On Fri, Nov 13, 2009 at 1:11 PM, Ary Borenszweig <ary at esperanto.org.ar> wrote:
> How can I know at compile time if all of the following are true for a given
> symbol s:
> 1. s is a function
> 2. the return type is a class that extends from class foo.Bar
> 3. the function has three arguments and it is not variadic
> 4. the first argument is an int
> 5. the second argument is a struct
> 6. the third argument is an associative array with char[] key and float
> value
For a question like that you should definitely specify whether you
want D1 or D2.
Also do you really want to know if "s is a function"? Or if "s is
something which can be called like a function". If the latter then
you should test if call syntax compiles like Jacob suggested. If not
then I think you use "if(is(s == function))" like Simen said.
--bb
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