digitalmars.D.bugs - [Issue 9564] New: Give module name too in "did you mean" error messages
- d-bugmail puremagic.com (51/52) Feb 21 2013 http://d.puremagic.com/issues/show_bug.cgi?id=9564
http://d.puremagic.com/issues/show_bug.cgi?id=9564 Summary: Give module name too in "did you mean" error messages Product: D Version: D2 Platform: All OS/Version: All Status: NEW Keywords: diagnostic Severity: enhancement Priority: P2 Component: DMD AssignedTo: nobody puremagic.com ReportedBy: bearophile_hugs eml.cc In the standard library of Haskell and D there is a function named "group" that has similar use. If in both languages you write such function name wrongly, adding a trailing "s" you get: The D program: import std.algorithm, std.stdio; void main() { writeln(groups([1, 1, 1, 3, 3])); } DMD 2.063alpha gives the error: temp.d(3): Error: undefined identifier groups, did you mean template group(alias pred = "a == b", Range)(Range r)? The Haskell program: import Data.List main = do print $ groups [1, 1, 1, 3, 3] The GHC compiler V.7.6.1 gives the error: temp.hs:3:13: Not in scope: `groups' Perhaps you meant one of these: `group' (imported from Data.List), `groupBy' (imported from Data.List) Likewise I'd like the error message of the D compiler to give the module name where group() comes from. This is useful: - to understand better the offered suggestion, because it gives more context; - It allows a coding trick useful when you're working with unfamiliar code:Change an identifier from foo to fooX. The compiler will helpfully inform you"Not in scope: fooX. Perhaps you meant foo (imported from Data.Foo)?"< So a possible error message becomes: temp.d(3): Error: undefined identifier groups, did you mean template std.algorithm.group(alias pred = "a == b", Range)(Range r)? ------------------------ A second differnt but related possible enhancement for the D compiler (but for me with a lower priority) is to offer more than one suggestion when there is more than very similar identifier, like in the Haskell error message that suggests both "group" and "groupBy". -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: -------
Feb 21 2013