is_lang {rlang} | R Documentation |
Is object a call?
Description
These functions are deprecated, please use
is_call()
and its n
argument instead.
Usage
is_lang(x, name = NULL, n = NULL, ns = NULL)
Arguments
x |
An object to test. Formulas and quosures are treated literally. |
name |
An optional name that the call should match. It is
passed to |
n |
An optional number of arguments that the call should match. |
ns |
The namespace of the call. If Can be a character vector of namespaces, in which case the call
has to match at least one of them, otherwise |