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match_arg

Argument Verification Using Partial Matching

Description

Similar to match.arg(), match_arg matches arg against a table of candidate values as specified by choices.

Usage

match_arg(arg, choices, several.ok = FALSE)

Arguments

arg

a character vector (of length one unless several.ok is TRUE) or NULL.
choices

a character vector of candidate values
several.ok

logical specifying if arg should be allowed to have more than one element.

Details

This function resolves errors from match.arg() with ” as arg input.

Value

The matched elements of arg or in case of match failure a detailed error message

Specification

The contents of this section are shown in PDF user manual only.

Examples

## Not run: 
match_arg(arg = c(2, 1), choices = c(4, 3, 1, 2), several.ok = TRUE)
match_arg(arg = c("c", "b"), choices = c("a", "b", "c", "d"), several.ok = TRUE)

## End(Not run)
r2rtf

Easily Create Presentation-Ready Rich Text Format (RTF) Table and Figure

v0.2.0
GPL-3
Authors
Yilong Zhang [aut, cre], Siruo Wang [aut], Simiao Ye [aut], Madhusudhan Ginnaram [aut], Merck Sharp & Dohme Corp [cph]
Initial release

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