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36 lines
722 B
Go
36 lines
722 B
Go
// Branching with `if` and `else` in Go is
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// straight-forward.
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package main
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import "fmt"
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func main() {
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// Here's a basic example.
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if 7%2 == 0 {
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fmt.Println("7 is even")
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} else {
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fmt.Println("7 is odd")
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}
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// You can have an `if` statement without an else.
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if 8%4 == 0 {
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fmt.Println("8 is divisible by 4")
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}
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// A statement can precede conditionals; any variables
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// declared in this statement are available in all
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// branches.
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if num := 9; num < 0 {
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fmt.Println(num, "is negative")
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} else if num < 10 {
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fmt.Println(num, "has 1 digit")
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} else {
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fmt.Println(num, "has multiple digits")
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}
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}
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// Note that you don't need parentheses around conditions
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// in Go, but that the braces are required.
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