org.checkerframework.checker.signedness.qual.SignednessBottom Maven / Gradle / Ivy
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package org.checkerframework.checker.signedness.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.SubtypeOf;
import org.checkerframework.framework.qual.TargetLocations;
import org.checkerframework.framework.qual.TypeUseLocation;
/**
* The bottom type in the Signedness type system. Programmers should rarely write this type.
*
* This is the type of the {@code null} literal.
*
* @checker_framework.manual #signedness-checker Signedness 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({SignedPositive.class})
public @interface SignednessBottom {}