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digitalmars.D.bugs - [Issue 5130] New: writeln cannot take delegate

reply d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=5130

           Summary: writeln cannot take delegate
           Product: D
           Version: D2
          Platform: Other
        OS/Version: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Phobos
        AssignedTo: nobody puremagic.com
        ReportedBy: zan77137 nifty.com



writeln, format, Tuple(T).toString and so on cannot take delegate(in trunk
r2116).
This code should compile:

----
import std.stdio;

void main()
{
        writeln({});
}
----

This bug occurred recently.
On dmd 2.042, this bug doesn't occur.

http://ideone.com/iXHoB

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Oct 29 2010
next sibling parent d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=5130


Andrei Alexandrescu <andrei metalanguage.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |andrei metalanguage.com



09:43:05 PST ---
I wonder if printing the type of the delegate is the smartest thing to do.
After all one can always print typeid(...) if that's what's needed.

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Jan 04 2011
prev sibling next sibling parent d-bugmail puremagic.com writes:
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 I wonder if printing the type of the delegate is the smartest thing to do.
 After all one can always print typeid(...) if that's what's needed.


I think so, too.

However, there is a problem in Tuple.
Because Tuple struct was not able to receive delegate for toString function, I
made it printable as first aid.
As well as Tuple, a problem may occur. Range, container, assert message...
It may be that you had better offer the default print method to support the
generic programming.

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Jan 05 2011
prev sibling next sibling parent d-bugmail puremagic.com writes:
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SomeDude <lovelydear mailmetrash.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |lovelydear mailmetrash.com



PDT ---
2.059:

PS E:\DigitalMars\dmd2\samples> rdmd bug.d
402020

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Apr 21 2012
prev sibling next sibling parent d-bugmail puremagic.com writes:
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PST ---
Checked on 3 compilers, it compiles and runs.
This one should be closed, I guess.

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Dec 31 2012
prev sibling parent d-bugmail puremagic.com writes:
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Maxim Fomin <maxim maxim-fomin.ru> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |maxim maxim-fomin.ru
         Resolution|                            |FIXED


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Jan 01 2013