validMsg: Conditionally append result to validity message

Description Usage Arguments Details Author(s) Examples

View source: R/tools.R

Description

This function facilitates constructing messages during S4 class validation, and is meant for developer rather than end-user use.

Usage

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validMsg(msg, result)

Arguments

msg

A character vector or NULL.

result

Any vector.

Details

This function appends result to msg, but only if result is a character vector.

Author(s)

Martin Morgan <mtmorgan@fhcrc.org>

Examples

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msg <- NULL
validMsg(msg, FALSE) # still NULL
msg <- validMsg(msg, "one")
validMsg(msg, "two")

turaganitesh/test-package documentation built on July 11, 2020, 7:41 a.m.