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tc168b.hs:7:1: error:
• Could not deduce (C a (u, v0, w0, x0, y0, z0))
from the context: C a (u, v, w, x, y, z)
bound by the inferred type for ‘g’:
forall {a} {u} {v} {w} {x} {y} {z}.
C a (u, v, w, x, y, z) =>
a -> u
at tc168b.hs:7:1-16
The type variables ‘v0’, ‘w0’, ‘x0’, ‘y0’, ‘z0’ are ambiguous
• In the ambiguity check for the inferred type for ‘g’
To defer the ambiguity check to use sites, enable AllowAmbiguousTypes
When checking the inferred type
g :: forall {a} {u} {v} {w} {x} {y} {z}.
C a (u, v, w, x, y, z) =>
a -> u
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