main.go 源码
// Copyright © 2018 Inanc Gumus
// Learn Go Programming Course
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
//
// For more tutorials : https://learngoprogramming.com
// In-person training : https://www.linkedin.com/in/inancgumus/
// Follow me on twitter: https://twitter.com/inancgumus
package main
import "fmt"
// ---------------------------------------------------------
// EXERCISE: Declare the arrays as slices
//
// 1. First run the following program as it is
//
// 2. Then change the array declarations to slice declarations
//
// 3. Observe whether anything changes or not (on the surface :)).
//
// EXPECTED OUTPUT
// names : []string ["Einstein" "Tesla" "Shepard"]
// distances: []int [50 40 75 30 125]
// data : []uint8 [72 69 76 76 79]
// ratios : []float64 [3.14]
// alives : []bool [true false true false]
// zero : []uint8 []
// ---------------------------------------------------------
func main() {
names := [3]string{"Einstein", "Tesla", "Shepard"}
distances := [...]int{50, 40, 75, 30, 125}
data := [5]byte{'H', 'E', 'L', 'L', 'O'}
ratios := [1]float64{3.14145}
alives := [...]bool{true, false, true, false}
zero := [0]byte{}
fmt.Printf("names : %[1]T %[1]q\n", names)
fmt.Printf("distances: %[1]T %[1]d\n", distances)
fmt.Printf("data : %[1]T %[1]d\n", data)
fmt.Printf("ratios : %[1]T %.2[1]f\n", ratios)
fmt.Printf("alives : %[1]T %[1]t\n", alives)
fmt.Printf("zero : %[1]T %[1]d\n", zero)
}
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