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Linear17.hs:17:3: error: [GHC-18872]
• Couldn't match type ‘'Many’ with ‘'One’
arising from multiplicity of ‘x’
• In a stmt of a 'do' block: x <- ()
In the expression:
do x <- ()
(y, z) <- ((), ())
() <- y
() <- z
....
In an equation for ‘incorrectDo1’:
incorrectDo1
= do x <- ()
(y, z) <- ((), ())
() <- y
....
Linear17.hs:25:6: error: [GHC-18872]
• Couldn't match type ‘'Many’ with ‘'One’
arising from multiplicity of ‘z’
• In the pattern: (y, z)
In a stmt of a 'do' block: (y, z) <- ((), x)
In the expression:
do x <- ()
(y, z) <- ((), x)
() <- y
()
Linear17.hs:30:3: error: [GHC-18872]
• Couldn't match type ‘'Many’ with ‘'One’
arising from multiplicity of ‘x’
• In a stmt of a 'do' block: x <- ()
In the expression:
do x <- ()
(y, z) <- (x, x)
() <- y
() <- z
....
In an equation for ‘incorrectDo3’:
incorrectDo3
= do x <- ()
(y, z) <- (x, x)
() <- y
....
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