DMD 1.031 and 2.015 templates
Lars Ivar Igesund
larsivar at igesund.net
Wed Jun 18 01:37:48 PDT 2008
Walter Bright wrote:
> Some new stuff to make writing templates easier.
>
> http://www.digitalmars.com/d/1.0/changelog.html
> http://ftp.digitalmars.com/dmd.1.030.zip
(Wrong zip link ^)
Something broke, probably due to the fix in 617 and/or 1383:
Given
T[] layout(T) (T[] output, T[][] layout ...)
the following code
T[] format(T) (T[] output, Time t) {
T[] convert (T[] tmp, long i)
{
return Integer.formatter!(T) (tmp, i, 'u', 0, 8);
}
return layout (output, "%0, %1 %2 %3 %4:%5:%6 GMT",
Days[date.dow],
convert (tmp[0..2], date.day),
Months[date.month-1],
convert (tmp[2..6], date.year),
convert (tmp[6..8], time.hours),
convert (tmp[8..10], time.minutes),
convert (tmp[10..12], time.seconds)
);
}
results in
:template layout(T) does not match any template declaration
:template layout(T) cannot deduce template function from argument types
(wchar[],char[25u],wchar[],wchar[],wchar[],wchar[],wchar[],wchar[],wchar[])
I tested adding w at the end of the literal, something that resulted in the
following message instead.
:template layout(T) cannot deduce template function from argument types
(char[],wchar[25u],char[],char[],char[],char[],char[],char[],char[])
In effect, the above makes this release unusable.
--
Lars Ivar Igesund
blog at http://larsivi.net
DSource, #d.tango & #D: larsivi
Dancing the Tango
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