432     content = None  # Optional content matching pattern  variable in BasePattern
441         args = [type_repr(self.type), self.content, self.name]
467         if self.content is not None:
502     def __init__(self, type=None, content=None, name=None):  argument
516         if content is not None:
517             assert isinstance(content, str), repr(content)
519         self.content = content
541         return self.content == node.value
548     def __init__(self, type=None, content=None, name=None):  argument
566         if content is not None:
567             assert not isinstance(content, str), repr(content)
568             content = list(content)
569             for i, item in enumerate(content):
574         self.content = content
591             for c, r in generate_matches(self.content, node.children):
597         if len(self.content) != len(node.children):
599         for subpattern, child in zip(self.content, node.children):
619     def __init__(self, content=None, min=0, max=HUGE, name=None):  argument
643         if content is not None:
644             content = tuple(map(tuple, content))  # Protect against alterations
646             assert len(content), repr(content)  # Can't have zero alternatives
647             for alt in content:
649         self.content = content
657         if (self.content is not None and
658             len(self.content) == 1 and len(self.content[0]) == 1):
659             subpattern = self.content[0][0]
661             if self.content is None:
667             return WildcardPattern(subpattern.content,
700         if self.content is None:
741         for alt in self.content:
752                     for alt in self.content:
770             for leaf in self.content:
780         assert self.content is not None
784             for alt in self.content:
795     def __init__(self, content=None):  argument
804         if content is not None:
805             assert isinstance(content, BasePattern), repr(content)
806         self.content = content
817         if self.content is None:
823             for c, r in self.content.generate_matches(nodes):