enum type changes according to context ?

[cal]

On Thursday, 28 March 2013 at 23:02:31 UTC, Timothee Cour wrote:
> In code below, does transTable have a well defined type?
> it seems to change from line 9 (string[char])
> to line 10 (string[dchar])...

My guess:
The enum version is like saying this:

auto s = translate("[", ['[' : `\[`]);

here the literal gets implicitly converted to string[dchar]. The 
auto version is inferred as string[char], so compilation fails.