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T502.hs:8:11: error: [GHC-83865]
• Couldn't match expected type: (a0, Int)
with actual type: (# Int, Int #)
• In the first argument of ‘snd’, namely ‘foo’
In the expression: snd foo
In an equation for ‘bar’:
bar
= snd foo
where
foo :: (# Int, Int #)
foo = undefined
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