// Copyright 2018 PingCAP, Inc. // // 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, // See the License for the specific language governing permissions and // limitations under the License. package set import ( "github.com/hanchuanchuan/goInception/types" ) // DecimalSet is a decimal set. type DecimalSet map[types.MyDecimal]struct{} // NewDecimalSet builds a decimal set. func NewDecimalSet() DecimalSet { return make(map[types.MyDecimal]struct{}) } // Exist checks whether `val` exists in `s`. func (s DecimalSet) Exist(val *types.MyDecimal) bool { _, ok := s[*val] return ok } // Insert inserts `val` into `s`. func (s DecimalSet) Insert(val *types.MyDecimal) { s[*val] = struct{}{} }