digitalmars.D.bugs - [Issue 17263] New: Issue diagnostic if mandatory template parameter
- via Digitalmars-d-bugs (29/29) Mar 17 2017 https://issues.dlang.org/show_bug.cgi?id=17263
https://issues.dlang.org/show_bug.cgi?id=17263 Issue ID: 17263 Summary: Issue diagnostic if mandatory template parameter is missing Product: D Version: D2 Hardware: x86_64 OS: All Status: NEW Severity: enhancement Priority: P1 Component: dmd Assignee: nobody puremagic.com Reporter: acehreli yahoo.com import std.algorithm : map; void main() { [1, 2].map(i => i); } Error: template std.algorithm.iteration.map cannot deduce function from argument types !()(int[], void), candidates are: /home/ali/dmd2.073/linux/bin64/../../src/phobos/std/algorithm/iteration.d(456): std.algorithm.iteration.map(fun...) if (fun.length >= 1) Makefile:142: recipe for target 'deneme' failed The programmer forgot to put ! after map. It would be much better if the error message said something like "Missing mandatory template arguments for std.algorithm.iteration.map(fun...)" Ali --
Mar 17 2017