View source code
Display the source code in std/bitmanip.d from which this page was generated on github.
Report a bug
If you spot a problem with this page, click here to create a Bugzilla issue.
Improve this page
Quickly fork, edit online, and submit a pull request for this page. Requires a signed-in GitHub account. This works well for small changes. If you'd like to make larger changes you may want to consider using local clone.

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.