| package org.checkerframework.checker.index.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; |
| |
| /** |
| * The annotated expression evaluates to an integer greater than or equal to 0. |
| * |
| * <p>Consider the following example, from a collection that wraps an array. This constructor |
| * creates the {@code delegate} array, which must have a non-negative size. |
| * |
| * <pre>{@code |
| * ArrayWrapper(@NonNegative int size) { delegate = new Object[size]; } |
| * }</pre> |
| * |
| * @checker_framework.manual #index-checker Index Checker |
| */ |
| @Documented |
| @Retention(RetentionPolicy.RUNTIME) |
| @Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER}) |
| @SubtypeOf({GTENegativeOne.class}) |
| public @interface NonNegative {} |