org.checkerframework.common.value.qual.BottomVal Maven / Gradle / Ivy
package org.checkerframework.common.value.qual;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import org.checkerframework.framework.qual.InvisibleQualifier;
import org.checkerframework.framework.qual.SubtypeOf;
import org.checkerframework.framework.qual.TargetLocations;
import org.checkerframework.framework.qual.TypeUseLocation;
/**
* The bottom type in the Constant Value type system. Programmers should rarely write this type.
*
* @checker_framework.manual #constant-value-checker Constant Value Checker
* @checker_framework.manual #bottom-type the bottom type
*/
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER})
@TargetLocations({TypeUseLocation.EXPLICIT_LOWER_BOUND, TypeUseLocation.EXPLICIT_UPPER_BOUND})
@SubtypeOf({
ArrayLen.class,
BoolVal.class,
DoubleVal.class,
IntVal.class,
StringVal.class,
MatchesRegex.class,
ArrayLenRange.class,
IntRange.class,
IntRangeFromPositive.class,
IntRangeFromGTENegativeOne.class,
IntRangeFromNonNegative.class
})
@InvisibleQualifier
public @interface BottomVal {}