/**
* Returns a <code>TLAnnotationDef</code> containing all the information from both arguments, or
* <code>null</code> if the two arguments contradict each other; see {@link AnnotationDef#unify}.
*/
public static TLAnnotationDef unify(
/*@NonNull*/ TLAnnotationDef tld1, /*@NonNull*/ TLAnnotationDef tld2) {
if (tld1.equals(tld2)) return tld1;
else if (tld1.retention.equals(tld2.retention)) {
AnnotationDef ud = AnnotationDef.unify(tld1.def, tld2.def);
if (ud == null) return null;
else return new TLAnnotationDef(ud, tld1.retention);
} else return null;
}
/** {@inheritDoc} */
@Override
public int hashCode() {
return def.hashCode() + retention.hashCode();
}
/**
* Returns whether this {@link TLAnnotationDef} equals <code>o</code>; a slightly faster variant
* of {@link #equals(Object)} for when the argument is statically known to be another nonnull
* {@link TLAnnotationDef}.
*/
public boolean equals(/*@NonNull*/ TLAnnotationDef o) {
return def.equals(o.def) && extraEquals(o);
}