Check if a format or alignment is supported — check_formats • formatters

Utility functions for checking formats and alignments.

Usage

is_valid_format(x, stop_otherwise = FALSE)

check_aligns(algn)

Arguments

x: either format string or an object returned by sprintf_format
stop_otherwise: logical, if x is not a format should an error be thrown
algn: vector of characters that indicates the requested cell alignments.

Value

is_valid_format: TRUE if x is NULL, a supported format string, or a function; FALSE otherwise.

check_aligns: TRUE if it passes the check.

Note

No check if the function is actually a formatter is performed.

Examples

is_valid_format("xx.x")
#> [1] TRUE
is_valid_format("fakeyfake")
#> [1] FALSE

check_aligns(c("decimal", "dec_right"))