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Function `std.bitmanip.BitArray.opApply`

Support for foreach loops for BitArray.


						
				int opApply
				(
				

				  scope int delegate(ref bool) dg
				

				);
				

				

				int opApply
				(
				

				  scope int delegate(bool) dg
				

				) const;
				

				

				int opApply
				(
				

				  scope int delegate(ulong, ref bool) dg
				

				);
				

				

				int opApply
				(
				

				  scope int delegate(ulong, bool) dg
				

				) const;

Example

bool[] ba = [1,0,1];

auto a = BitArray(ba);

int i;
foreach (b;a)
{
    switch (i)
    {
        case 0: assert(b == true); break;
        case 1: assert(b == false); break;
        case 2: assert(b == true); break;
        default: assert(0);
    }
    i++;
}

foreach (j,b;a)
{
    switch (j)
    {
        case 0: assert(b == true); break;
        case 1: assert(b == false); break;
        case 2: assert(b == true); break;
        default: assert(0);
    }
}

Authors

Walter Bright, Andrei Alexandrescu, Jonathan M Davis, Alex Rønne Petersen, Damian Ziemba, Amaury SECHET

License

Boost License 1.0.