Optional ReadonlyfoldsOptional Readonlyhasthe call reaches beyond what we can see even when the callee resolves, like rlang::exec
Optional Readonlyindexthe 0-based index of the argument which is the actual function passed, defaults to 1
Optional ReadonlyisSet for do.call: it is processed like the call it makes, so do.call(f, list(1, b = 2)) is processed like f(1, b = 2) and returns what f returns.
Optional Readonlynamedoes the argument have a name that it can be given by as well?
Optional ReadonlyresolveShould the function be resolved in the global environment?
Optional ReadonlyresolveShould the value of the function be resolved?
Optional Readonlysigthe formals of the function the call stands for
Optional ReadonlyunquoteShould we unquote the function if it is given as a string?
The formals of BuiltInApplyConfiguration#sig the function is folded over (
Reduce): each of its parameters gets what the call hands back so far, which is one of these or what the function returned.