is_function: Checks if the value is a function

In AstraZeneca/qscheck: qscheck

Checks if the value is a function

Description

Checks if the value is a function

Usage

is_function(value, num_args = NULL, args = NULL, allow_null = FALSE)

Arguments

value	the value to check
num_args	an integer. If defined, the function must have the exact number of arguments.
args	a vector of strings. If defined, the function must have the exact argument names, in the specified order.
allow_null	if TRUE, allow the value NULL. If FALSE (default) do not allow NULL.

Examples

## Not run: 
# For assertion
assertthat::assert_that(qscheck::is_function(f))
# For check
if (qscheck::is_function(f)) {}

## End(Not run)

AstraZeneca/qscheck documentation built on Nov. 1, 2023, 4:45 a.m.