Summary: array(immutable(int)[]) ==> int[]
           Product: D
           Version: D2
          Platform: x86
        OS/Version: Windows
            Status: NEW
          Keywords: rejects-valid
          Severity: normal
          Priority: P2
         Component: Phobos

--- Comment #0 from 2010-10-18 19:02:48 PDT ---
This is more an enhancement request than a bug report.

In my opinion an array() applied on an array has to act like "dup", just like
array(static_array) returns a dynamic array. So I think array(immutable(int)[])
has to return an int[].

With DMD 2.049 array(immutable(int)[]) doesn't work:

import std.array: array;
void main() {
    int[4] a0 = [2, 3, 1, 4];
    static assert(is(typeof(array(a0)) == int[])); // OK
    immutable(int)[] a1 = [2, 3, 1, 4];
    int[] a2 = a1.dup;
    int[] a3 = array(a1); // ERROR

Errors generated:

...\dmd\src\phobos\std\array.d(64): Error: result[i] isn't mutable
...\dmd\src\phobos\std\array.d(7): Error: template instance
std.array.array!(immutable(int)[]) error instantiating
test.d(7): Error: cannot implicitly convert expression (array(a1)) of type
immutable(int)[] to int[]

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