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36 lines
785 B
Go
36 lines
785 B
Go
// _Functions_ are central in Go. We'll learn about
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// functions with a few different examples.
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package main
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import "fmt"
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// Here's a function that takes two `int`s and returns
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// their sum as an `int`.
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func plus(a int, b int) int {
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// Go requires explicit returns, i.e. it won't
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// automatically return the value of the last
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// expression.
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return a + b
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}
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// When you have multiple consecutive parameters of
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// the same type, you may omit the type name for the
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// like-typed parameters up to the final parameter that
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// declares the type.
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func plusPlus(a, b, c int) int {
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return a + b + c
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}
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func main() {
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// Call a function just as you'd expect, with
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// `name(args)`.
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res := plus(1, 2)
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fmt.Println("1+2 =", res)
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res = plusPlus(1, 2, 3)
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fmt.Println("1+2+3 =", res)
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}
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