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// Raw wrapper around _printf builtin function.
// Writes the given content to stdout
fn print(arg: string) {
_printf(arg)
}
// Like print(), but with an extra newline ('\n') character
fn println(msg: string) {
print(msg + "\n")
}
// Prints the size of an array
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fn len(arr: int[]): int {
let c: int = 0
while arr[c] {
c += 1
}
return c
}
// Reverses an array
// TODO: fix me!
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fn rev(arr: int[]): int[] {
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let l: int = len(arr)
let new_arr: int[] = []
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let i: int = 0
let j: int = l
while i < l {
new_arr[i] = arr[j]
i = i - 1
j = j - 1
}
return new_arr
}