Print method for Scopus API key

# S3 method for scopus_api_key
print(x, reveal = FALSE, ...)

Arguments

x	an object used to select a method.
reveal	Should the API key be revealed
...	further arguments passed to or from other methods

x = "asdf"
class(x) = "scopus_api_key"
print(x)
#> <hidden api key, use print(, reveal = TRUE) to see it>
print(x, reveal = TRUE)
#> [1] "asdf"