• d-bugmail puremagic.com Feb 07 2008
• d-bugmail puremagic.com Jan 17 2010

d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=1820

           Summary: default template parameters cannot be omitted
           Product: D
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: bugzilla digitalmars.com
        ReportedBy: andrei metalanguage.com


The following code compiles and runs as expected:

import std.stdio;

template wyda(string pred = ``)
{
    void wyda(int x) { writeln(pred, " ", x); }
}

void main()
{
    wyda(3);
    wyda!("a")(4);
}

However, the following equivalent code does not:

import std.stdio;

template wyda(string pred = ``)
{
    static if (true)
        void wyda(int x) { writeln(pred, " ", x); }
}

void main()
{
    wyda(3);
    wyda!("a")(4);
}

The proposed solution is to get rid to the maximum extent possible of the
requirements for the noisy "!()" syntax. If a template name is specified
without the "!", then it should simply assume "!()" followed.


Andrei


-- 

d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=1820


Don <clugdbug yahoo.com.au> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |clugdbug yahoo.com.au
            Version|unspecified                 |1.00
           Severity|normal                      |enhancement


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