main.d(61): Error: temp_[i_] isn't mutable

[Ben Hanson]

== Quote from Justin Spahr-Summers (Justin.SpahrSummers at gmail.com)'s
> "string" is actually an alias for "immutable(char)[]" (and
similarly for
> the other string types), so its contents are not modifiable, though
its
> length can be adjusted and contents appended. If you need to be
able to
> modify the characters, just use char[] instead. You can then use the
> .idup property to get a string afterward.

I'm converted temp_ to CharT[] as suggested, but the conversion back
to a string is failing:

_charset = temp_.idup;

main.d(76): Error: cannot implicitly convert expression (_adDupT((&
D58TypeInfo_AT4main14__T5regexTAyaZ18basic_string_token5CharT6__initZ),cast
(string)temp_)) of type immutable(CharT)[] to string