forked from mystiq/dex
42 lines
1.3 KiB
Go
42 lines
1.3 KiB
Go
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// Copyright 2015 The etcd Authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package types
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import (
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"strconv"
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)
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// ID represents a generic identifier which is canonically
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// stored as a uint64 but is typically represented as a
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// base-16 string for input/output
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type ID uint64
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func (i ID) String() string {
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return strconv.FormatUint(uint64(i), 16)
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}
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// IDFromString attempts to create an ID from a base-16 string.
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func IDFromString(s string) (ID, error) {
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i, err := strconv.ParseUint(s, 16, 64)
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return ID(i), err
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}
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// IDSlice implements the sort interface
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type IDSlice []ID
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func (p IDSlice) Len() int { return len(p) }
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func (p IDSlice) Less(i, j int) bool { return uint64(p[i]) < uint64(p[j]) }
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func (p IDSlice) Swap(i, j int) { p[i], p[j] = p[j], p[i] }
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