none: None
In optional: Optional Types and Pattern Matching
Description
Usage
Format
See Also
Examples
Description
Indicates an invalid variable.
Might be returned by an optional function
(see ?make_opt())
Usage
1
Format
An object of class optional of length 1.
See Also
option(), opt_unwrap()
Examples
1
2
3
a <- none
a
## [1] None
optional documentation built on May 1, 2019, 9:14 p.m.
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Description Usage Format See Also Examples
Description
Indicates an invalid variable.
Might be returned by an optional function
(see ?make_opt())
Usage
1 |
Format
An object of class optional of length 1.
See Also
option(), opt_unwrap()
Examples
1 2 3 | a <- none
a
## [1] None
|
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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