Re: How use Predicate (alias pred = "a*b")?

[Marcone via Digitalmars-d-learn]

On Thursday, 13 May 2021 at 21:38:25 UTC, Adam D. Ruppe wrote:

On Thursday, 13 May 2021 at 21:30:43 UTC, Marcone wrote:

template foo(alias pred = "a*b"){
        void foo(int x, int y){
                writeln(x.unaryFun!pred);

First, you really shouldn't use these at all. instead of a string, just pass an actual function to the thing as the predicate.

but if you must use it, unaryFun has one argument, so just a. if you want a and b, two arguments, that's binaryFun.

Thank you. binaryFun solved the problem.