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// Copyright ©2015 The Gonum Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package network
const (
A = iota
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)
// set is an integer set.
type set map[int64]struct{}
func linksTo(i ...int64) set {
if len(i) == 0 {
return nil
}
s := make(set)
for _, v := range i {
s[v] = struct{}{}
}
return s
}
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