std.string.format results in run-time exception

[kenji hara]

2012/7/1 d coder <dlang.coder at gmail.com>:
> Thanks Kenji, I will use xformat. BTW, why is it named "x"format? Would not
> "s"format be a better name? Where "s" could stand for string.

eXtended format.

> Also I feel, std.string.format should work for BitArray and BigInt too. Both
> these types are defined as part of phobos.

We couldn't replace the implementation of std.string.format directly.

See the discussion:
https://github.com/D-Programming-Language/phobos/pull/231

But, in the future, xformat would be renamed to format.

Kenji Hara