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T7294.hs:27:1: warning: [-Woverlapping-patterns (in -Wdefault)]
Pattern match is redundant
In an equation for ‘nth’: nth Nil _ = ...
T7294.hs:27:5: warning: [-Winaccessible-code (in -Wdefault)]
• Inaccessible code in
a pattern with constructor: Nil :: forall a. Vec a 'Zero,
in an equation for ‘nth’
Couldn't match type ‘'False’ with ‘'True’
• In the pattern: Nil
In an equation for ‘nth’: nth Nil _ = undefined
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