Wolfram Language & System 10.3 (2015)|Legacy Documentation
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- You can use Throw and Catch to exit functions such as Nest, Fold, FixedPoint, and Scan.
- tag can be any expression.
- tag in Throw[value,tag] is reevaluated every time it is compared to form in Catch[expr,form].
- An error is generated and an unevaluated Throw is returned if there is no appropriate enclosing Catch to catch the Throw.
Introduced in 1988
(1.0)| Updated in 1996