class_docstr: A generic Rapids expression optimizer
class_docstr_tok: ["A","generic","Rapids","expression","optimizer"]
docstr: Return a function is transform given expression and context to ExprNode.
  The function always expects that it is applied in applicable context.
  
  :param expr:  expression to optimize
  :return:  a function from context to ExprNode
docstr_tok: ["Return","a","function","is","transform","given","expression","and","context","to","ExprNode",".","The","function","always","expects","that","it","is","applied","in","applicable","context",".",":","param","expr",":","expression","to","optimize",":","return",":","a","function","from","context","to","ExprNode"]
code: def get_optimizer(self, expr):
      """
      Return a function is transform given expression and context to ExprNode.
      The function always expects that it is applied in applicable context.
  
      :param expr:  expression to optimize
      :return:  a function from context to ExprNode
      """
      return id(expr)
  
file_path: h2o-3/h2o-py/h2o/expr_optimizer.py
imports: import h2o.expr
label_desc: Use image node_id 4 for calling the ExprOptimization obj's underlying member method code with example usage: obj.get_optimizer(expr) and returns: id