On Saturday, 6 June 2015 at 17:06:37 UTC, Dennis Ritchie wrote:
The problem is that the `static if` it does not work:
immutable hash = [1 : 3, 5 : 7];
static if (5 in hash)
writeln("OK");
// Error: expression &[1:3, 5:7][5]
// is not constant or does not evaluate to a bool
You have to write something like that :)
immutable hash = [1 : 3, 5 : 7];
static if (!!(5 in hash))
writeln("OK"); // prints OK
Pulls whether this issue? Or is it normal?
http://dlang.org/version.html#staticif:
StaticIfCondition:
static if ( AssignExpression )
AssignExpression is implicitly converted to a boolean type, and
is evaluated at compile time. The condition is satisfied if it
evaluates to true. It is not satisfied if it evaluates to false.
So, I suppose it's should work without casting to bool or `!is`
operator.
