[Issue 14035] string concatenation accepts ints in templates
via Digitalmars-d-bugs
digitalmars-d-bugs at puremagic.com
Sat Mar 21 21:28:46 PDT 2015
https://issues.dlang.org/show_bug.cgi?id=14035
yebblies <yebblies at gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |yebblies at gmail.com
Resolution|--- |WONTFIX
--- Comment #1 from yebblies <yebblies at gmail.com> ---
'ln' is a template parameter, so its value is known when semantic is run on the
enum's initializer. Because it is a constant value known to fit in a char
type, it is implicitly converted to char and the concatenation succeeds.
You can see the expected error if you move the pragma(msg) line below line 255.
The implicit conversion from int to char is supported for cases like this:
"string " ~ ('a' + 1) which would otherwise fail.
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