Description Usage Arguments Value
this method provides a way indicate whether an argument is a flag. A flag argument is an argument indicating whether something is true or false.
1 | isrequired(x)
|
x |
object to extract flag information from. |
if x is an cmd_arg
object, true if the object is a flag argument
otherwise false. If x is an cmd_parser
object then a named logical vector
indicating which arguments are flags and which are not.
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