RosettaCodeData/Task/Binary-digits/CLU/binary-digits.clu

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binary = proc (n: int) returns (string)
bin: string := ""
while n > 0 do
bin := string$c2s(char$i2c(48 + n // 2)) || bin
n := n / 2
end
return(bin)
end binary
start_up = proc ()
po: stream := stream$primary_output()
tests: array[int] := array[int]$[5, 50, 9000]
for test: int in array[int]$elements(tests) do
stream$putl(po, int$unparse(test) || " -> " || binary(test))
end
end start_up