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7 lines
285 B
Plaintext
7 lines
285 B
Plaintext
unique : {a,b} (fin a, fin b, a>=1) => [a][b] -> Bit
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unique xs = [ exist x (i+1) | x <- xs | i <- [0..(a-1)] ] == 0
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where exist : [b] -> [width a] -> Bit
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exist x i = if(i>=`a) then False
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else if(x==(xs@i)) then True
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else exist x (i+1)
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