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422 B
422 B
No matching case clause in Erlang
Reports an error when none of the clauses of a case match the expression. Corresponds to the {case_clause,V} error in the Erlang runtime.
For example, if we call tail([]) and the full definition of tail is
tail(X) ->
case X of
[_|T] -> T
end.
This error is reported if either the pattern(s) or the guard(s) prevent matching any of the clauses.