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\references{The \code{tryCatch} mechanism is similar to Java
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\references{The \code{tryCatch} mechanism is similar to Java
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  error handling.  Calling handlers are based on Common Lisp and
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  error handling.  Calling handlers are based on Common Lisp and
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  Dylan.  Restarts are based on the Common Lisp restart mechanism.}
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  Dylan.  Restarts are based on the Common Lisp restart mechanism.}
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\seealso{\code{\link{stop}} and \code{\link{warning}} signal conditions,
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\seealso{\code{\link{stop}} and \code{\link{warning}} signal conditions,
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  and \code{\link{try}} is essentially a simplified version of \code{tryCatch}.
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  and \code{\link{try}} is essentially a simplified version of
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  \code{tryCatch}.
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  \code{\link{assertCondition}} in package \pkg{tools} \emph{tests}
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  that conditions are signalled and works with several of the above
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  handlers.
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}
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}
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\examples{
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\examples{
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tryCatch(1, finally = print("Hello"))
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tryCatch(1, finally = print("Hello"))
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e <- simpleError("test error")
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e <- simpleError("test error")