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Diffstat (limited to 'doc/syntax/exceptions.rdoc')
| -rw-r--r-- | doc/syntax/exceptions.rdoc | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/doc/syntax/exceptions.rdoc b/doc/syntax/exceptions.rdoc index 390eb86256..0efc35a59f 100644 --- a/doc/syntax/exceptions.rdoc +++ b/doc/syntax/exceptions.rdoc @@ -55,6 +55,23 @@ The exception is matched to the rescue section starting at the top, and matches only once. If an ArgumentError is raised in the begin section it will not be handled in the StandardError section. +You may retry rescued exceptions: + + begin + # ... + rescue + # do something that may change the result of the begin block + retry + end + +Execution will resume at the start of the begin block, so be careful not to +create an infinite loop. + +Inside a rescue block is the only valid location for +retry+, all other uses +will raise a SyntaxError. If you wish to retry a block iteration use +redo+. +See {Control Expressions}[rdoc-ref:syntax/control_expressions.rdoc] for +details. + To always run some code whether an exception was raised or not, use +ensure+: begin |