digitalmars.D.learn - Functions which return multiple values?
- Dan (1/1) Sep 29 2007 Without using an array or struct, can D return more than one value from ...
- Frank Benoit (2/3) Sep 29 2007 You can use "out" arguments or a tuple return type.
- Bill Baxter (5/9) Sep 29 2007 At the end of the video of Walter's talk at the NWCPP users group he
- Frank Benoit (15/28) Sep 29 2007 Hm right, functions cannot return a tuple directly.
- Sean Kelly (4/5) Sep 29 2007 This is possible with user-defined tuples, but the built-in tuples need
Without using an array or struct, can D return more than one value from a function? If not, why isn't this a desirable feature for a programming language to have?
Sep 29 2007
Dan schrieb:Without using an array or struct, can D return more than one value from a function? If not, why isn't this a desirable feature for a programming language to have?You can use "out" arguments or a tuple return type.
Sep 29 2007
Frank Benoit wrote:Dan schrieb:At the end of the video of Walter's talk at the NWCPP users group he says he'd like to add the ability to return tuples. But I don't know if that's still something rattling around in his mind or not. --bbWithout using an array or struct, can D return more than one value from a function? If not, why isn't this a desirable feature for a programming language to have?You can use "out" arguments or a tuple return type.
Sep 29 2007
Bill Baxter schrieb:Frank Benoit wrote:Hm right, functions cannot return a tuple directly. In my current code I use template Struct(T...){ struct Struct{ T t; } } and in functions.... Struct!(long, bool[]) get(){ Struct!(long, bool[]) res; res.t[0] = 34; res.t[1] = [ true, false ]; return res; }Dan schrieb:At the end of the video of Walter's talk at the NWCPP users group he says he'd like to add the ability to return tuples. But I don't know if that's still something rattling around in his mind or not. --bbWithout using an array or struct, can D return more than one value from a function? If not, why isn't this a desirable feature for a programming language to have?You can use "out" arguments or a tuple return type.
Sep 29 2007
Dan wrote:Without using an array or struct, can D return more than one value from a function? If not, why isn't this a desirable feature for a programming language to have?This is possible with user-defined tuples, but the built-in tuples need to be wrapped in a struct to do the same. Sean
Sep 29 2007