On Wednesday, 19 November 2014 at 13:31:16 UTC, ketmar via
Digitalmars-d wrote:
On Wed, 19 Nov 2014 12:33:17 +0000
via Digitalmars-d <[email protected]> wrote:
D doesn't allow construction from a different type with the
`Type name = value;` syntax. Try this:
har-har... here comes the power of the dark side!
struct S {
bool filler; // just in case, to avoid S("str")
string s;
@disable this (); // just in case too
this (string v) { s = "s|"~v; }
this (int v) { import std.conv : to; s = "i|"~to!string(v);
}
this (double v) { import std.conv : to; s =
"d|"~to!string(v); }
string toString () const nothrow @nogc { return s; }
}
void main () {
import std.stdio;
S s0 = "string";
S s1 = 42;
S s2 = 666.0;
writeln(s0); // writes "s|string"
writeln(s1); // writes "i|42"
writeln(s2); // writes "d|666"
}
and remember, we have cookies.
Ah, right, it _does_ work with explicitly defined constructors.
Maybe GValue doesn't have those?
