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R.oo (version 1.2.7)

hasField.BasicObject: Checks if a field exists or not

Description

Checks if a field exists or not.

Usage

## S3 method for class 'BasicObject}(this, field, ...)':
hasFieldundefined

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.

[object Object]

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 BasicObject.

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Arguments