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13 lines
415 B
Plaintext
13 lines
415 B
Plaintext
// gives you the length of an array/a slice
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// It's a built-in function, not a attribute/method on the array.
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len(a)
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var a [10]int // declare an int array with length 10. Array length is part of the type!
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a[3] = 42 // set elements
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i := a[3] // read elements
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// declare and initialize
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var a = [2]int{1, 2}
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a := [2]int{1, 2} //shorthand
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a := [...]int{1, 2} // elipsis -> Compiler figures out array length
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