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// Copyright 2015, Joe Tsai. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE.md file.
package unitconv_test
import (
"fmt"
"github.com/dsnet/golib/unitconv"
)
func ExampleAppendPrefix() {
b1 := []byte("Distance from SF to LA: ")
b1 = unitconv.AppendPrefix(b1, 616379, unitconv.SI, -1)
b1 = append(b1, 'm')
fmt.Println(string(b1))
b2 := []byte("Capacity of a DVD: ")
b2 = unitconv.AppendPrefix(b2, 4.7*unitconv.Giga, unitconv.IEC, 2)
b2 = append(b2, 'B')
fmt.Println(string(b2))
// Output:
// Distance from SF to LA: 616.379km
// Capacity of a DVD: 4.38GiB
}
func ExampleFormatPrefix() {
s1 := unitconv.FormatPrefix(unitconv.Tebi, unitconv.SI, 3)
fmt.Printf("1 tebibyte in SI: %sB\n", s1)
s2 := unitconv.FormatPrefix(unitconv.Tera, unitconv.IEC, 3)
fmt.Printf("1 terabyte in IEC: %sB\n", s2)
// Output:
// 1 tebibyte in SI: 1.100TB
// 1 terabyte in IEC: 931.323GiB
}
func ExampleParsePrefix() {
if s, err := unitconv.ParsePrefix("2.99792458E8", unitconv.AutoParse); err == nil {
fmt.Printf("Speed of light: %.0fm/s\n", s)
}
if s, err := unitconv.ParsePrefix("616.379k", unitconv.SI); err == nil {
fmt.Printf("Distance from LA to SF: %.0fm\n", s)
}
if s, err := unitconv.ParsePrefix("32M", unitconv.Base1024); err == nil {
fmt.Printf("Max FAT12 partition size: %.0fB\n", s)
}
if s, err := unitconv.ParsePrefix("1Ti", unitconv.IEC); err == nil {
fmt.Printf("Number of bytes in tebibyte: %.0fB\n", s)
}
// Output:
// Speed of light: 299792458m/s
// Distance from LA to SF: 616379m
// Max FAT12 partition size: 33554432B
// Number of bytes in tebibyte: 1099511627776B
}
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