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  1. det = uncurry (-) . uncurry (uncurry (***) . ((*) *** (*))) . second swap
  2. main = print $ det ((1, 2), (3, 4))
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
[1 of 1] Compiling Main             ( prog.hs, prog.o )

prog.hs:1:37: Not in scope: `***'

prog.hs:1:50: Not in scope: `***'

prog.hs:1:62: Not in scope: `second'

prog.hs:1:69: Not in scope: `swap'
stdout
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Standard output is empty
https://ideone.com/1hOm2
language:
Haskell (ghc 8.4.4)
created:
14 years ago
visibility:
public

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