mirror of https://github.com/ethereum/go-ethereum
core: use slices package for sorting (#27489)
Co-authored-by: Felix Lange <fjl@twurst.com>pull/27523/head
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// Copyright 2019 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package snapshot |
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import ( |
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"bytes" |
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"github.com/ethereum/go-ethereum/common" |
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) |
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// hashes is a helper to implement sort.Interface.
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type hashes []common.Hash |
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// Len is the number of elements in the collection.
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func (hs hashes) Len() int { return len(hs) } |
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// Less reports whether the element with index i should sort before the element
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// with index j.
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func (hs hashes) Less(i, j int) bool { return bytes.Compare(hs[i][:], hs[j][:]) < 0 } |
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// Swap swaps the elements with indexes i and j.
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func (hs hashes) Swap(i, j int) { hs[i], hs[j] = hs[j], hs[i] } |
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