org.checkerframework.checker.compilermsgs.qual.CompilerMessageKeyBottom Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of checker-qual Show documentation

checker-qual contains annotations (type qualifiers) that a programmer writes to specify Java code for type-checking by the Checker Framework.

The newest version!

package org.checkerframework.checker.compilermsgs.qual;

import org.checkerframework.framework.qual.DefaultFor;
import org.checkerframework.framework.qual.SubtypeOf;
import org.checkerframework.framework.qual.TargetLocations;
import org.checkerframework.framework.qual.TypeUseLocation;

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;

/**
 * The bottom type in the Compiler Message Key type system. Programmers should rarely write this
 * type.
 *
 * @checker_framework.manual #compilermsgs-checker Compiler Message Key Checker
 * @checker_framework.manual #bottom-type the bottom type
 */
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER})
@SubtypeOf(CompilerMessageKey.class)
@TargetLocations({TypeUseLocation.LOWER_BOUND, TypeUseLocation.UPPER_BOUND})
@DefaultFor(TypeUseLocation.LOWER_BOUND)
public @interface CompilerMessageKeyBottom {}