30 lines
561 B
Go
30 lines
561 B
Go
// For more tutorials: https://blog.learngoprogramming.com
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//
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// Copyright © 2018 Inanc Gumus
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// Learn Go Programming Course
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// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
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//
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package main
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import "fmt"
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func main() {
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a, b := 3.14, 6.28
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swap(&a, &b)
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fmt.Printf("a : %g — b : %g\n", a, b)
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pa, pb := &a, &b
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pa, pb = swapAddr(pa, pb)
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fmt.Printf("pa: %p — pb: %p\n", pa, pb)
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fmt.Printf("pa: %g — pb: %g\n", *pa, *pb)
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}
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func swap(a, b *float64) {
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*a, *b = *b, *a
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}
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func swapAddr(a, b *float64) (*float64, *float64) {
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return b, a
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}
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