prysm-pulse/common/format.go
Raul Jordan da20785685 Merge branch 'master' into gitter-badge-1
Former-commit-id: 23f542f43b4b493e38f5aa4c29788ed93a63b43b [formerly 71b23a6a28eb045fcfeab6329de69f1e5455486b]
Former-commit-id: d12b3a6decc876f010a71f98e11df7387c1aaf2a
2018-01-13 17:31:28 -05:00

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Go

// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package common
import (
"fmt"
"regexp"
"strings"
"time"
)
// PrettyDuration is a pretty printed version of a time.Duration value that cuts
// the unnecessary precision off from the formatted textual representation.
type PrettyDuration time.Duration
var prettyDurationRe = regexp.MustCompile(`\.[0-9]+`)
// String implements the Stringer interface, allowing pretty printing of duration
// values rounded to three decimals.
func (d PrettyDuration) String() string {
label := fmt.Sprintf("%v", time.Duration(d))
if match := prettyDurationRe.FindString(label); len(match) > 4 {
label = strings.Replace(label, match, match[:4], 1)
}
return label
}