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371 B
371 B
No true branch when evaluating an if expression in Erlang
Reports an error when none of the branches of an if expression evaluate to true. Corresponds to the if_clause error in the Erlang runtime.
For example, if we call sign(0) and the full definition of sign is
sign(X) ->
if
X > 0 -> positive;
X < 0 -> negative
end.