Assertion: function's argument | /r/HasProperty | supplied
Facets:
Source sentences:
text: You can determine if an argument was supplied or not with the missing() function.
text: In mathematics, an argument of a function is a value that must be provided to obtain the function's result.
text: Instead, I usually set the default value to NULL and use is.null() to check if the argument was supplied.
text: Under some circumstances, a call can be ambiguous, because two or more functions match with the supplied arguments equally well.