34 lines
733 B
Go
34 lines
733 B
Go
// Copyright 2021 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Simple conversions to avoid depending on strconv.
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package itoa
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// Itoa converts val to a decimal string.
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func Itoa(val int) string {
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if val < 0 {
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return "-" + Uitoa(uint(-val))
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}
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return Uitoa(uint(val))
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}
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// Uitoa converts val to a decimal string.
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func Uitoa(val uint) string {
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if val == 0 { // avoid string allocation
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return "0"
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}
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var buf [20]byte // big enough for 64bit value base 10
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i := len(buf) - 1
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for val >= 10 {
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q := val / 10
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buf[i] = byte('0' + val - q*10)
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i--
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val = q
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}
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// val < 10
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buf[i] = byte('0' + val)
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return string(buf[i:])
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}
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