On Fri, Nov 30, 2012 at 04:57:44PM +0100, Chopin wrote: > I tried the following: > > import std.stdio; > import std.regex; > > bool lol(string name, string val) > { > if (name == "lal") > if (val[0..3] == "2124") > return true; > return false; > } > > bool lal(string name, string val) { return false; } > alias bool delegate(string, string) DgType; > void main() > { > struct Filter > { > > private DgType[] delFuncs; // array with functions :D > > > public void add(DgType filter_func) { > delFuncs ~= filter_func; > } > } > > auto x = Filter(); > x.add(&lol); > x.add(&lal); > > writeln(x); > } > > Didn't work... just a bunch of errors... > > t.d(28): Error: function t.main.Filter.add (bool delegate(string, > string) filter_func) is not callable using argument types (bool > function(string name, string v > al)) [...]
Ah, I see the problem. What you want are *function pointers*, not delegates. So do this instead: alias bool function(string,string) FuncType; struct Filter { private FuncType[] delFuncs; ... } T -- Prosperity breeds contempt, and poverty breeds consent. -- Suck.com