On Thursday, 27 June 2013 at 02:17:09 UTC, Andrei Alexandrescu wrote:
On 6/26/13 1:31 PM, Andrej Mitrovic wrote:
On 6/26/13, Andrei Alexandrescu<[email protected]>
 wrote:
Actually this is good because it allows to customize the format string to print only a subset of available information (I've actually used this).

Note that this works:

writefln("%d", x, x);

But the following throws since v2.061:

writeln(format("%d", x, x));

std.format.FormatException@C:\dmd-git\dmd2\windows\bin\..\..\src\phobos\std\string.d(2346):
Orphan format arguments: args[1..2]

I find the latter to be quite useful for debugging code, and wanted
this feature for a long time.

I think that's a bug in format that we need to fix.

Andrei

I wanted to react on this: I'm surprised that writef and format *could* even have different behaviors (!) Don't both just forward to some sort of "format(sink, fmt, args...)" function that handles all the common code?

Or are there other subtle differences, bugs, where writef would produce different output from format?

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