Function unionOf

runtime/sam/expr/values.go:437–446

(sctx *super.Context, types []super.Type)

}

func unionOf(sctx *super.Context, types []super.Type) super.Type {
	if len(types) == 0 {
		return super.TypeNull
	}
	unique := super.UniqueTypes(types)
	if len(unique) == 1 {
		return unique[0]
	}
	return sctx.LookupTypeUnion(unique)
}