go 问题

2026-08-30 浏览 (1)

当你把一个变量赋值给另一个变量时会发生什么？

变量们变成同一个
被赋值的变量被删除
变量的值被改变为赋值变量的值正确

哪个是正确的赋值语句?

opened := true

closed := true
opened = false 正确
var x = 2

哪个是正确的赋值语句?

a, b = 3; 5
c, d = true, false 正确
a, b, c = 5, 3

哪个是正确的赋值语句?

var (
  n = 3
  m int
)

m = "4"
n = 10 正确
n = true
m = false

哪个是正确的赋值语句?

var (
  n = 3
  m int
  f float64
)

// one of the assignments below will be here

fmt.Println(n, m, f)

n, m = 4, f
n = false
n, m, f = m + n, n + 5, 0.5 正确
n, m = 3.82, "hi"

哪个是正确的赋值语句?

var (
  a int
  c bool
)

a = _
c, _ = _, false
_, _ = a, c 正确

哪个是正确的赋值语句?

记住: path.Split 返回两个 string 值

  var c, f string

_ = path.Split("assets/profile.png")
_, _, c = path.Split("assets/profile.png")
f = path.Split("assets/profile.png")
_, f = path.Split("assets/profile.png") 正确

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