chk_is {chk} | R Documentation |
Check Class
Description
Checks inherits from class using
inherits(x, class)
Usage
chk_is(x, class, x_name = NULL)
vld_is(x, class)
Arguments
x |
The object to check. |
class |
A string specifying the class. |
x_name |
A string of the name of object x or NULL. |
Value
The chk_
function throws an informative error if the test fails or
returns the original object if successful so it can used in pipes.
The vld_
function returns a flag indicating whether the test was met.
Functions
-
vld_is()
: Validate Inherits from Class
See Also
Other chk_is:
chk_array()
,
chk_atomic()
,
chk_data()
,
chk_function()
,
chk_matrix()
,
chk_numeric()
,
chk_s3_class()
,
chk_s4_class()
,
chk_vector()
,
chk_whole_numeric()
Examples
chk_is(1, "numeric")
try(chk_is(1L, "double"))
# vld_is
vld_is(numeric(0), "numeric")
vld_is(1L, "double")
[Package chk version 0.9.2 Index]