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chevron (version 0.2.7)

assert_valid_var: Check whether var is valid

Description

Check whether var is valid

Usage

assert_valid_var(x, label, na_ok, empty_ok, ...)

# S3 method for character assert_valid_var( x, label = deparse(substitute(x)), na_ok = FALSE, empty_ok = FALSE, min_chars = 1L, ... )

# S3 method for factor assert_valid_var( x, label = deparse(substitute(x)), na_ok = FALSE, empty_ok = FALSE, min_chars = 1L, ... )

# S3 method for logical assert_valid_var( x, label = deparse(substitute(x)), na_ok = TRUE, empty_ok = FALSE, ... )

# S3 method for numeric assert_valid_var( x, label = deparse(substitute(x)), na_ok = TRUE, empty_ok = FALSE, integerish = FALSE, ... )

# S3 method for POSIXct assert_valid_var( x, label = deparse(substitute(x)), na_ok = TRUE, empty_ok = FALSE, tzs = OlsonNames(), ... )

# S3 method for default assert_valid_var( x, label = deparse(substitute(x)), na_ok = FALSE, empty_ok = FALSE, ... )

Value

invisible NULL or an error message if the criteria are not fulfilled.

Arguments

x

value of col_split variable

label

(string) hints.

na_ok

(flag) whether NA value is allowed

empty_ok

(flag) whether length 0 value is allowed.

...

Further arguments to methods.

min_chars

(integer) the minimum length of the characters.

integerish

(flag) whether the number should be treated as integerish.

tzs

(character) time zones.

Details

This function checks the variable values are valid or not.