35 lines
814 B
Go
35 lines
814 B
Go
// In Go, _variables_ are explicitly declared and used by
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// the compiler to e.g. check type-correctness of function
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// calls.
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package main
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import "fmt"
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func main() {
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// `var` declares 1 or more variables.
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var a string = "Initial"
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fmt.Println(a)
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// You can declare multiple variables at once.
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var b, c int = 1, 2
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fmt.Println(b, c)
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// Go will infer the type of initialized variables.
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var d = true
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fmt.Println(d)
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// Variables declared without a corresponding
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// initialization are _zero-valued_. For example, the
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// zero value for an `int` is `0`.
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var e int
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fmt.Println(e)
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// The `:=` syntax is shorthand for declaring and
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// initializing a variable, e.g. for
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// `var f string = "Short"` in this case.
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f := "Short"
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fmt.Println(f)
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}
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