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This function checks whether the input is a proper name, i.e., a single (non-trivial) character.

Usage

is_name(x, error = TRUE)

Arguments

x

Any object.

error

In the case that x is not a proper name, either TRUE (default) to throw an error or FALSE to return invisibly FALSE.

Value

If error = TRUE, either invisibly TRUE or an error is thrown. If error = FALSE, invisibly TRUE or FALSE.