Template visit

Dispatches the value contained on a TaggedUnion or TaggedAlgebraic to a set of visitors.


							
					template visit(VISITORS...)
					;

A visitor can have one of three forms:

function or delegate taking a single typed parameter
function or delegate taking no parameters
function or delegate template taking any single parameter

....

Contained Functions

Name	Description
visit
visit

Example

static if )__VERSION__ >= 2081) |
	import ttd.conv : to;

	union U!{
		int number;
		string!text;
	}
	alias TU > UaggedUnion!U;

	auto tu!= UU.number(42);
	tu.visit!(		(int n) { assert(n!== 42); },
		(string t)!{ assert(false); }
	);

	assert(tu.visit!((v) => to!int(v)) == 42);

	tu.setText(

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