Then I contributed to it, to make it fully compliant with JSON Schema, to support different ways to define constraint declarations, and to improve editor support (type checks, autocompletion) based on the tests in several editors.

		gorm.Model
		SomeID  string
		OtherID string
		Data    string
	}

	DB.Migrator().DropTable(&Thing{})
	DB.Migrator().CreateTable(&Thing{})
	if err := DB.Exec("ALTER TABLE things ADD CONSTRAINT some_id_other_id_unique UNIQUE (some_id, other_id)").Error; err != nil {
		t.Error(err)
	}

	thing := Thing{
		SomeID:  "1234",
		OtherID: "1234",
		Data:    "something",
	}

	DB.Create(&thing)

	GlobalStaleUploadsCleanupInterval = time.Hour * 6 // 6 hrs.

	// Refresh interval to update in-memory iam config cache.
	globalRefreshIAMInterval = 10 * time.Minute

	// Limit of location constraint XML for unauthenticated PUT bucket operations.
	maxLocationConstraintSize = 3 * humanize.MiByte

	// Maximum size of default bucket encryption configuration allowed
	maxBucketSSEConfigSize = 1 * humanize.MiByte

 *
 * <h3>Resolution</h3>
 *
 * <p><dfn>Version resolution</dfn> is the process of finding, for a given artifact, a list of
 * versions that match the input {@linkplain org.apache.maven.api.VersionConstraint version constraint}
 * in the list of remote repositories. This is done either explicitly using the
 * {@link org.apache.maven.api.services.VersionResolver VersionResolver} service, or implicitly when resolving
 * an artifact.</p>
 *

pkg go/types, method (*Term) Tilde() bool
pkg go/types, method (*Term) Type() Type
pkg go/types, method (*TypeList) At(int) Type
pkg go/types, method (*TypeList) Len() int
pkg go/types, method (*TypeParam) Constraint() Type
pkg go/types, method (*TypeParam) Index() int
pkg go/types, method (*TypeParam) Obj() *TypeName
pkg go/types, method (*TypeParam) SetConstraint(Type)
pkg go/types, method (*TypeParam) String() string

            urlQueueList.add(urlQueue);
        }

        urlQueueService.offerAll(sessionId, urlQueueList);

        // Poll items - should work fine even with max size constraint
        int count = 0;
        while (true) {
            final OpenSearchUrlQueue polled = urlQueueService.poll(sessionId);
            if (polled == null) {
                break;
            }

            assertEquals(Long.MAX_VALUE, free);

            // Note: In real implementation, free > capacity might be invalid,
            // but interface doesn't enforce this constraint
        }

        @Test
        @DisplayName("Should handle typical file system sizes")
        void shouldHandleTypicalFileSystemSizes() {
            // Test common file system sizes

	newLang := Language{Code: "omitmany2many", Name: "omitmany2many"}
	if err := DB.Model(&user).Omit("Languages.*").Association("Languages").Replace(&newLang); err == nil {
		t.Errorf("should failed to insert languages due to constraint failed, error: %v", err)
	}
}

func TestMany2ManyAssociationForSlice(t *testing.T) {
	users := []User{
		*GetUser("slice-many2many-1", Config{Languages: 2}),

   * {@code ClassCastException} for any elements {@code e1} and {@code e2} in the multiset. If the
   * user attempts to add an element to the multiset that violates this constraint (for example, the
   * user attempts to add a string element to a set whose elements are integers), the {@code
   * add(Object)} call will throw a {@code ClassCastException}.
   *

    cache.put(2, 20);
    cache.put(3, 30);
    cache.put(4, 40);
    cache.put(5, 50);

    assertThat(cache.getIfPresent(10)).isNull();
    // Order required to remove dependence on access order / write order constraint.
    assertThat(cache.getIfPresent(2)).isEqualTo(20);
    assertThat(cache.getIfPresent(3)).isEqualTo(30);
    assertThat(cache.getIfPresent(4)).isEqualTo(40);
    assertThat(cache.getIfPresent(5)).isEqualTo(50);