[Issue 4427] __traits should have isFunction, isVariable, etc

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=4427



--- Comment #14 from Rob T <alanb at ucora.com> 2013-03-29 00:06:50 PDT ---
(In reply to comment #13)

I would like to see something like isNullable(T) that evaluates to true if the
type value can be assigned a null.

Eg,

struct S { ... }
S* s; 
class C { ... }

isNullable( S ) is false
isNullable( typeof(s) ) is true
isNullable( C ) is true

--rt

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