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version 2.097.0

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Function std.bitmanip.BitArray.count

Counts all the set bits in the BitArray

ulong count() pure nothrow @nogc const;

Example

auto a = BitArray([0, 1, 1, 0, 0, 1, 1]);
writeln(a.count); // 4

BitArray b;
writeln(b.count); // 0

bool[200] boolArray;
boolArray[45 .. 130] = true;
auto c = BitArray(boolArray);
writeln(c.count); // 85

Authors

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

License

Boost License 1.0.