[Issue 9339] New: std.random.uniform!Enum should return random enum member

[d-bugmail]

http://d.puremagic.com/issues/show_bug.cgi?id=9339

           Summary: std.random.uniform!Enum should return random enum
                    member
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: Phobos
        AssignedTo: nob...@puremagic.com
        ReportedBy: hst...@quickfur.ath.cx


--- Comment #0 from hst...@quickfur.ath.cx 2013-01-17 14:33:56 PST ---
Currently, std.random.uniform does not respect enum bounds:

import std.random;
import std.stdio;

enum Fruit {
        Apple = 14,
        Orange = 27,
        Pear = 36,
        Mango = 47
}

void main() {
        writefln("%d", Fruit.min);
        writefln("%d", Fruit.max);

        writeln(uniform!Fruit());
}


Typical output:

14
47
cast(Fruit)-2046817621


It should at the very least respect the enum range defined by the enum's .min
and .max properties (which in this case are 14 and 47, respectively).

Ideally, it should only return one of the four possible values of Fruit, not
anything outside the range of .min and .max, and not anything in between the
four possible values.

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