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Source file src/pkg/strconv/itoa.go

// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package strconv

// Uitob64 returns the string representation of i in the given base.
func Uitob64(u uint64, base uint) string {
    if base < 2 || 36 < base {
        panic("invalid base " + Uitoa(base))
    }
    if u == 0 {
        return "0"
    }

    // Assemble decimal in reverse order.
    var buf [64]byte
    j := len(buf)
    b := uint64(base)
    for u > 0 {
        j--
        buf[j] = "0123456789abcdefghijklmnopqrstuvwxyz"[u%b]
        u /= b
    }

    return string(buf[j:])
}

// Itob64 returns the string representation of i in the given base.
func Itob64(i int64, base uint) string {
    if i == 0 {
        return "0"
    }

    if i < 0 {
        return "-" + Uitob64(-uint64(i), base)
    }
    return Uitob64(uint64(i), base)
}

// Itoa64 returns the decimal string representation of i.
func Itoa64(i int64) string { return Itob64(i, 10) }

// Uitoa64 returns the decimal string representation of i.
func Uitoa64(i uint64) string { return Uitob64(i, 10) }

// Uitob returns the string representation of i in the given base.
func Uitob(i uint, base uint) string { return Uitob64(uint64(i), base) }

// Itob returns the string representation of i in the given base.
func Itob(i int, base uint) string { return Itob64(int64(i), base) }

// Itoa returns the decimal string representation of i.
func Itoa(i int) string { return Itob64(int64(i), 10) }

// Uitoa returns the decimal string representation of i.
func Uitoa(i uint) string { return Uitob64(uint64(i), 10) }