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T7294.hs:25:1: warning: [-Woverlapping-patterns (in -Wdefault)]
Pattern match is redundant
In an equation for ‘nth’: nth Nil _ = ...
T7294.hs:25:5: warning: [-Wdeferred-type-errors (in -Wdefault)]
• Couldn't match type ‘'True’ with ‘'False’
Inaccessible code in
a pattern with constructor: Nil :: forall a. Vec a 'Zero,
in an equation for ‘nth’
• In the pattern: Nil
In an equation for ‘nth’: nth Nil _ = undefined
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