# This file is part of NIT ( http://www.nitlanguage.org ). # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. import hash_debug class A redef fun hash do return 0 end sys.show_hash_stats var s = new HashSet[A] sys.show_hash_stats print "\na1" var a1 = new A print s.has(a1) sys.show_hash_stats s.add(a1) sys.show_hash_stats s.add(a1) sys.show_hash_stats print s.has(a1) sys.show_hash_stats print "\na2" var a2 = new A print s.has(a2) sys.show_hash_stats s.add(a2) sys.show_hash_stats s.add(a2) sys.show_hash_stats print s.has(a2) sys.show_hash_stats print "\nend"