View source code
Display the source code in dmd/common/bitfields.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 dmd.common.bitfields.generateBitFields

Generate code for bit fields inside a struct/class body

string generateBitFields(S, T)()
if (__traits(isUnsigned, T));

Parameters

NameDescription
S type of a struct with only boolean fields, which should become bit fields
T type of bit fields variable, must have enough bits to store all booleans

Returns

D code with a bit fields variable and getter / setter functions

Example

static struct B
{
    bool x;
    bool y;
    bool z = 1;
}

static struct S
{
    mixin(generateBitFields!(B, ubyte));
}

S s;
assert(!s.x);
s.x = true;
assert(s.x);
s.x = false;
assert(!s.x);

s.y = true;
assert(s.y);
assert(!s.x);
assert(s.z);

Authors

Dennis Korpel

License

Boost License 1.0