R.oo (version 1.20.0)

hasField.Object: Checks if a field exists or not

Description

Checks if a field exists or not.

Usage

"hasField"(this, field, ...)

Arguments

field

vector of fields to be checked if they exists or not.

...

Not used.

Value

Returns a logical vector indicating for each field if it exists or not.

See Also

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.

Examples

  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)

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