class_docstr: A Function class used to hold single-objective functions.
class_docstr_tok: ["A","Function","class","used","to","hold","single-objective","functions","."]
docstr: Indicates whether the function is built.
docstr_tok: ["Indicates","whether","the","function","is","built","."]
code: def built(self) -> bool:
      """Indicates whether the function is built."""
  
      return self._built
  
file_path: opytimizer/opytimizer/core/function.py
imports: from inspect import signature
  import numpy
  import opytimizer.utils.exception
  from opytimizer.utils import logging
label_desc: Use image node_id 7 for calling the Function obj's underlying member method code with example usage: obj.built() and returns: self