attempt: Attempt

In attempt: Tools for Defensive Programming

Description

A wrapper around base try that allows you to set a custom message when an error/warning occurs. attempt returns the value if there is no error nor message.

Usage

attempt(expr, msg = NULL, verbose = FALSE, silent = FALSE)

Arguments

expr	the expression to be evaluated
msg	the message to return if an error occurs
verbose	wether or not to return to expression producing the error
silent	wether or not the error should be kept under silence

Examples

## Not run: 
attempt(log("a"), msg = "Nop !")

## End(Not run)

attempt documentation built on May 4, 2020, 1:05 a.m.