46 lines
922 B
Go
46 lines
922 B
Go
// Copyright © 2016 Alan A. A. Donovan & Brian W. Kernighan.
|
|
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
|
|
|
|
package tempconv
|
|
|
|
import "fmt"
|
|
|
|
func Example1() {
|
|
{
|
|
//!+arith
|
|
fmt.Printf("%g\n", BoilingC-FreezingC) // "100" °C
|
|
boilingF := CToF(BoilingC)
|
|
fmt.Printf("%g\n", boilingF-CToF(FreezingC)) // "180" °F
|
|
//!-arith
|
|
}
|
|
/*
|
|
//!+arith
|
|
fmt.Printf("%g\n", boilingF-FreezingC) // compile error: type mismatch
|
|
//!-arith
|
|
*/
|
|
|
|
// Output:
|
|
// 100
|
|
// 180
|
|
}
|
|
|
|
func Example2() {
|
|
//!+printf
|
|
c := FToC(212.0)
|
|
fmt.Println(c.String()) // "100°C"
|
|
fmt.Printf("%v\n", c) // "100°C"; no need to call String explicitly
|
|
fmt.Printf("%s\n", c) // "100°C"
|
|
fmt.Println(c) // "100°C"
|
|
fmt.Printf("%g\n", c) // "100"; does not call String
|
|
fmt.Println(float64(c)) // "100"; does not call String
|
|
//!-printf
|
|
|
|
// Output:
|
|
// 100°C
|
|
// 100°C
|
|
// 100°C
|
|
// 100°C
|
|
// 100
|
|
// 100
|
|
}
|