Re: What is this function call operator?
On Thursday, 27 August 2015 at 16:03:58 UTC, Gary Willoughby wrote: Sorry, I mean the three dots '...' that seems to be what the documentation is referring to. Also the `isCallable` template uses it. That just means it can take whatever arguments. The documentation is just saying it is callable with anything; the ... is a placeholder. In the template itself, (T...) is a variadic argument list, again meaning it can take anything. (The reason isCallable does it though isn't to actually take multiple arguments, it is so it can take any *kind* of argument; a bit of a hack.)
Re: What is this function call operator?
On Thursday, 27 August 2015 at 16:12:35 UTC, Adam D. Ruppe wrote: On Thursday, 27 August 2015 at 16:03:58 UTC, Gary Willoughby wrote: Sorry, I mean the three dots '...' that seems to be what the documentation is referring to. Also the `isCallable` template uses it. That just means it can take whatever arguments. The documentation is just saying it is callable with anything; the ... is a placeholder. In the template itself, (T...) is a variadic argument list, again meaning it can take anything. (The reason isCallable does it though isn't to actually take multiple arguments, it is so it can take any *kind* of argument; a bit of a hack.) Ah right, I get it. Thanks.
Re: What is this function call operator?
On Thursday, 27 August 2015 at 15:18:24 UTC, Gary Willoughby wrote: What is this function call operator? (...) Where can i learn more about it? It is the () at the end of a thing. You can overload it in a struct by writing an opCall member.
Re: What is this function call operator?
On Thursday 27 August 2015 17:18, Gary Willoughby wrote: What is this function call operator? (...) Where can i learn more about it? http://dlang.org/operatoroverloading.html#function-call http://ddili.org/ders/d.en/operator_overloading.html#ix_operator_overloading.opCall
Re: What is this function call operator?
On Thu, 27 Aug 2015 15:18:22 + Gary Willoughby d...@nomad.so wrote: If you visit this link: http://dlang.org/phobos/std_traits.html#isCallable There is this paragraph: Detect whether T is a callable object, which can be called with the function call operator (...). What is this function call operator? (...) Where can i learn more about it? http://dlang.org/operatoroverloading.html#function-call
What is this function call operator?
If you visit this link: http://dlang.org/phobos/std_traits.html#isCallable There is this paragraph: Detect whether T is a callable object, which can be called with the function call operator (...). What is this function call operator? (...) Where can i learn more about it?
Re: What is this function call operator?
On Thursday, 27 August 2015 at 15:19:15 UTC, Adam D. Ruppe wrote: On Thursday, 27 August 2015 at 15:18:24 UTC, Gary Willoughby wrote: What is this function call operator? (...) Where can i learn more about it? It is the () at the end of a thing. You can overload it in a struct by writing an opCall member. Sorry, I mean the three dots '...' that seems to be what the documentation is referring to. Also the `isCallable` template uses it.
