65 lines
1.4 KiB
Go
65 lines
1.4 KiB
Go
/*
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Copyright 2024 Josh Deprez
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package router
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import (
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"fmt"
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"time"
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)
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// StringSet is a set of strings.
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// Yep, yet another string set implementation. Took me 2 minutes to write *shrug*
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type StringSet map[string]struct{}
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func (set StringSet) ToSlice() []string {
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ss := make([]string, 0, len(set))
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for s := range set {
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ss = append(ss, s)
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}
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return ss
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}
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func (set StringSet) Contains(s string) bool {
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_, c := set[s]
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return c
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}
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func (set StringSet) Insert(ss ...string) {
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for _, s := range ss {
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set[s] = struct{}{}
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}
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}
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func (set StringSet) Add(t StringSet) {
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for s := range t {
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set[s] = struct{}{}
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}
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}
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func SetFromSlice(ss []string) StringSet {
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set := make(StringSet, len(ss))
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set.Insert(ss...)
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return set
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}
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// ago is a helper for formatting times.
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func ago(t time.Time) string {
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if t.IsZero() {
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return "never"
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}
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return fmt.Sprintf("%v ago", time.Since(t).Truncate(time.Millisecond))
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}
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