class_docstr: Matches a node against a pattern represented by a node.
class_docstr_tok: ["Matches","a","node","against","a","pattern","represented","by","a","node","."]
code: def is_wildcard(self, p):
      if isinstance(p, (list, tuple)) and len(p) == 1:
          (p,) = p
      if isinstance(p, gast.Name) and p.id == "_":
          return True
      if p == "_":
          return True
      return False
  
imports: import ast
  import gast
  from tensorflow.python.autograph.pyct import anno
  from tensorflow.python.autograph.pyct import parser
  from tensorflow.python.autograph.pyct import qual_names
label_desc: Use image node_id 4 for calling the PatternMatcher obj's underlying member method code with example usage: obj.is_wildcard(p) and returns: False, True, True