• Jethro (7/7) Apr 07 2017 I have a custom type and I'm trying to do things like
• rikki cattermole (13/18) Apr 07 2017 struct Foo {

Jethro <qyzz gr.ff> writes:

I have a custom type and I'm trying to do things like

x~1 and 1~x.

I can get x~1 no problem by overriding the op "~" but how to I 
get 1~x to convert 1 in to typeof(x)? instead of x in to 
typeof(1) so to speak?

I really want D to realize that 1~x is suppose to use ~ of x, not 
1.

rikki cattermole <rikki cattermole.co.nz> writes:

On 08/04/2017 7:46 AM, Jethro wrote:
 I have a custom type and I'm trying to do things like

 x~1 and 1~x.

 I can get x~1 no problem by overriding the op "~" but how to I get 1~x
 to convert 1 in to typeof(x)? instead of x in to typeof(1) so to speak?

 I really want D to realize that 1~x is suppose to use ~ of x, not 1.

struct Foo {
	int x;

	Foo opBinaryRight(string op)(int y) {
		static if (op == "~") {
			return Foo(x + y);
		} else static assert(0, "not implemented");
	}
}

void main() {
	import std.stdio;	
	writeln(1 ~ Foo(2));
}