go.etcd.io/etcd@v3.3.27+incompatible/pkg/adt/example_test.go (about)

     1  // Copyright 2016 The etcd Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package adt_test
    16  
    17  import (
    18  	"fmt"
    19  
    20  	"github.com/coreos/etcd/pkg/adt"
    21  )
    22  
    23  func Example() {
    24  	ivt := adt.NewIntervalTree()
    25  	ivt.Insert(adt.NewInt64Interval(1, 3), 123)
    26  	ivt.Insert(adt.NewInt64Interval(9, 13), 456)
    27  	ivt.Insert(adt.NewInt64Interval(7, 20), 789)
    28  
    29  	rs := ivt.Stab(adt.NewInt64Point(10))
    30  	for _, v := range rs {
    31  		fmt.Printf("Overlapping range: %+v\n", v)
    32  	}
    33  	// output:
    34  	// Overlapping range: &{Ivl:{Begin:7 End:20} Val:789}
    35  	// Overlapping range: &{Ivl:{Begin:9 End:13} Val:456}
    36  }