tryCatch both warnings (with value) and errors

Description

Catch and save both errors and warnings, and in the case of a warning, also keep the computed result.

Usage

vsn.tryCatch.W.E(expr)

Arguments

Value

A list with "value" and "warning", where "value" may be an error caught.

Note

This has been altered from the original to return multiple warnings as a list if more than one is thrown in expr and hence has been renamed.

The original was taken from https://stackoverflow.com/questions/32076454/save-object-that-threw-warning-using-trycatch

Original author: Martin Maechler;

Original copyright statement: Copyright (C) 2010-2012 The R Core Team