chk_is | R Documentation |
Checks inherits from class using
inherits(x, class)
chk_is(x, class, x_name = NULL)
vld_is(x, class)
x |
The object to check. |
class |
A string specifying the class. |
x_name |
A string of the name of object x or NULL. |
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.
vld_is()
: Validate Inherits from Class
inherits()
For more details about the use of this function,
please read the article
vignette("chk-families")
.
Other id_checkers:
chk_data()
,
chk_s3_class()
,
chk_s4_class()
chk_is(1, "numeric")
try(chk_is(1L, "double"))
# vld_is
vld_is(numeric(0), "numeric")
vld_is(1L, "double")
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