http://d.puremagic.com/issues/show_bug.cgi?id=7840
Summary: $ property for arrays
Product: D
Version: D2
Platform: All
OS/Version: All
Status: NEW
Severity: enhancement
Priority: P2
Component: DMD
AssignedTo: nob...@puremagic.com
ReportedBy: bearophile_h...@eml.cc
--- Comment #0 from bearophile_h...@eml.cc 2012-04-05 18:05:40 PDT ---
This is a low-priority and low-importance "enhancement suggestion" (it's not
even an enhancement request because I am not sure if this is a good idea. I
will close it if you think it's a bad idea).
Currently you are allowed to use $ to denote array lengths inside their [],
like this:
arr[$ - 1]
The idea here is to extend the $ syntax as suffix too, something like this:
@property size_t __dollar(T)(in T[] a) pure nothrow {
return a.length;
}
void main() {
int[5] a;
auto len = a.$;
}
This shortens the code, and this code isn't harder to understand because D
programmers already know that $ means the length of the array.
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