| hasField.Object {R.oo} | R Documentation |
Checks if a field exists or not.
## S3 method for class 'Object': hasField(this, field, ...)
field |
vector of fields to be checked if they exists or not. |
... |
Not used. |
Returns a logical vector indicating for each field if it exists or not.
Henrik Bengtsson http://www.braju.com/R/
To get the fields of an Object, see *getFields().
For more extensive information about the fields in an Object see
*ll().
For more information see Object.
obj <- Object()
obj$x <- 1:100
obj$y <- 100:1
hasField(obj, c("x", "a", "b", "y"))
## Not run:
gives:
[1] TRUE FALSE FALSE TRUE
## End(Not run)