Method insert

vispy/visuals/shaders/function.py:687–692

Insert a new function into the chain at *index*.

(self, index, function, update=True)

        return self.functions[k]

    def insert(self, index, function, update=True):
        """Insert a new function into the chain at *index*."""
        self._funcs.insert(index, function)
        self._add_dep(function)
        if update:
            self._update()

    def remove(self, function, update=True):
        """Remove a function from the chain."""