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T17646.hs:11:1: warning: [GHC-62161] [-Wincomplete-patterns (in -Wextra)]
Pattern match(es) are non-exhaustive
In an equation for ‘g’: Guards do not cover entire pattern space
T17646.hs:11:5: warning: [GHC-40564] [-Winaccessible-code (in -Wdefault)]
• Inaccessible code in
a pattern with constructor: B :: T 'False,
in a pattern binding in
a pattern guard for
an equation for ‘g’
Couldn't match type ‘'True’ with ‘'False’
• In the pattern: B
In a stmt of a pattern guard for
an equation for ‘g’:
B <- A
In an equation for ‘g’: g | B <- A = ()
T17646.hs:11:5: warning: [GHC-53633] [-Woverlapping-patterns (in -Wdefault)]
Pattern match is redundant
In an equation for ‘g’: g | B <- A = ...
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