macro_rules! static_branch_unlikely {
    ($key:path, $keytyp:ty, $field:ident) => { ... };
}Expand description
Branch based on a static key.
Takes three arguments:
- key- the path to the static variable containing the- static_key.
- keytyp- the type of- key.
- field- the name of the field of- keythat contains the- static_key.
ยงSafety
The macro must be used with a real static key defined by C.