←
None
→
OptionQ
/
Reference of Built-in Symbols
/
Options Management
/
NotOptionQ
WMA link
NotOptionQ
[
expr
]
returns
True
if
expr
does not have the form of a valid option specification.
NotOptionQ[x]
NotOptionQ[2]
NotOptionQ["abc"]
NotOptionQ[a -> True]
←
None
→
OptionQ