https://github.com/hadley/dplyr
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Tip revision: 34b4be202e89716c4fa3161cf0b194f31ad6e72c authored by hadley on 23 June 2016, 21:54:59 UTC
Prepare for release
Tip revision: 34b4be2
failwith.Rd
% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/failwith.r
\name{failwith}
\alias{failwith}
\title{Fail with specified value.}
\usage{
failwith(default = NULL, f, quiet = FALSE)
}
\arguments{
\item{default}{default value}

\item{f}{function}

\item{quiet}{all error messages be suppressed?}
}
\value{
a function
}
\description{
Modify a function so that it returns a default value when there is an
error.
}
\examples{
f <- function(x) if (x == 1) stop("Error!") else 1
\dontrun{
f(1)
f(2)
}

safef <- failwith(NULL, f)
safef(1)
safef(2)
}
\seealso{
\code{\link[plyr]{try_default}}
}
\keyword{debugging}

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