[Issue 10437] New: Warnings for unused private imports

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=10437

           Summary: Warnings for unused private imports
           Product: D
           Version: future
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: qznc at web.de


--- Comment #0 from qznc at web.de 2013-06-21 05:46:07 PDT ---
The compiler should output warnings, if the source code contains imports, which
are not used and can be removed.

Example: For debugging the following private imports were used, but now the
module does not contain any writeln or text call anymore, but parse is used.

private import std.stdio;
private import std.conv: text, parse;

The compiler should print warnings like:

foo.d(3): Warning: unused private import std.stdio; should be deleted
foo.d(4): Warning: unused private import std.conv: text; should be deleted

This has been discussed together with other unused stuff,
but there seems to be no conclusion in the thread.

http://forum.dlang.org/thread/i4luk9$2rdg$1@digitalmars.com

This enhancement helps to keep a code base clean. Less imports might reduce
compile times.

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