Does the input have rows/columns?
Checks to see if the input has rows/columns.
assert_has_cols(x, severity = getOption("assertive.severity", "stop")) assert_has_rows(x, severity = getOption("assertive.severity", "stop")) has_cols(x, .xname = get_name_in_parent(x)) has_rows(x, .xname = get_name_in_parent(x))
x |
Input to check. |
severity |
How severe should the consequences of the assertion be?
Either |
.xname |
Not intended to be used directly. |
has_rows
and has_cols
return TRUE
if
nrow
and ncol
respectively return a value that is
non-null and positive. The assert_*
functions return nothing
but throw an error if the corresponding has_*
function returns
FALSE
.
ncol
.
assert_has_rows(data.frame(x = 1:10)) assert_has_cols(matrix())
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