[Issue 12027] Range of true bits for std.bitmanip.BitArray

[d-bugmail]

https://d.puremagic.com/issues/show_bug.cgi?id=12027



--- Comment #4 from bearophile_h...@eml.cc 2014-03-01 12:48:48 PST ---
(In reply to comment #3)

> Also adds:
> - countTrailingZeros(v)
> - countBitsSet(v)
> - bitsSet(v)

Apparently only bitsSet is working for me:

void main() {
    import std.stdio, std.bitmanip;

    BitArray b;
    b.init([0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0]);
    b.bitsSet.writeln;
    b.countTrailingZeros.writeln;
    b.countBitsSet.writeln;
}


It gives:

test.d(7,6): Error: ScopeDsymbol test.__anonymous.__anonymous template
std.bitmanip.countTrailingZeros(T)(T value) if (isIntegral!T) is private
test.d(7,6): Error: template std.bitmanip.countTrailingZeros cannot deduce
function from argument types !()(BitArray), candidates are:
..\dmd2\src\phobos\std\bitmanip.d(3440,14):       
std.bitmanip.countTrailingZeros(T)(T value) if (isIntegral!T)
test.d(8,6): Error: ScopeDsymbol test.__anonymous.__anonymous template
std.bitmanip.countBitsSet(T)(T value) if (isIntegral!T) is private
test.d(8,6): Error: template std.bitmanip.countBitsSet cannot deduce function
from argument types !()(BitArray), candidates are:
..\dmd2\src\phobos\std\bitmanip.d(3502,14):       
std.bitmanip.countBitsSet(T)(T value) if (isIntegral!T)

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