Annotation Interface GuardedByBottom
@Documented
@Retention(RUNTIME)
@Target({TYPE_USE,TYPE_PARAMETER})
@TargetLocations({EXPLICIT_LOWER_BOUND,EXPLICIT_UPPER_BOUND})
@SubtypeOf(NewObject.class)
public @interface GuardedByBottom
The bottom type in the GuardedBy type system. Programmers should rarely write this type.
If a variable x has type @GuardedByBottom, then the value referred to by
x is null (or dead code) and can never be dereferenced.
- See the Checker Framework Manual:
- Lock Checker, the bottom type