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Add Reraising exceptions rule #964

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25 changes: 25 additions & 0 deletions README.adoc
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Original file line number Diff line number Diff line change
Expand Up @@ -1968,6 +1968,31 @@ fail SomeException, 'message'
raise SomeException, 'message'
----

=== Reraising exceptions [[reraising-exceptions]]

Call `raise` without an exception argument when reraising exceptions.

[source,ruby]
----
# bad
begin
something_that_might_fail
rescue SomeException => e
# handle SomeException

raise e
end

# good
begin
something_that_might_fail
rescue SomeException => e
# handle SomeException

raise
end
----

=== Raising Explicit `RuntimeError` [[no-explicit-runtimeerror]]

Don't specify `RuntimeError` explicitly in the two argument version of `raise`.
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