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"
func main() {
speed := 100
fmt.Println("within limits?",
speed >= 40 && speed <= 55,
)
speed = 20
fmt.Println("within limits?",
speed >= 40 && speed <= 55,
// ^- short-circuits in the first expression here
// because, it becomes false
)
speed = 50
fmt.Println("within limits?",
speed >= 40 && speed <= 55,
)
// ERROR: invalid
// both operands should be booleans
// 1 && 2
fmt.Println(1 == 1 && 2 == 2)
}
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