is_scalar | R Documentation |
Check whether an object is a scalar
is_scalar(x, error_on_null = T)
x |
(obj) An object to check. |
erro_on_null |
(lgl) Whether to throw an error on NULL, or treat as TRUE. |
Logical scalar.
is_scalar(1)
is_scalar(1:3)
is_scallar(NULL, error_on_null = F)
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