nltk.parse.featurechart.FeatureEmptyPredictRule

class documentation

class FeatureEmptyPredictRule(EmptyPredictRule): (source)

Undocumented

Method apply Return a generator that will add edges licensed by this rule and the given edges to the chart, one at a time. Each time the generator is resumed, it will either add a new edge and yield that edge; or return.

Inherited from EmptyPredictRule:

Constant NUM_EDGES Undocumented

Inherited from AbstractChartRule (via EmptyPredictRule):

Method	`__str__`	Undocumented
Method	`apply_everywhere`	Return a generator that will add all edges licensed by this rule, given the edges that are currently in the chart, one at a time. Each time the generator is resumed, it will either add a new edge and yield that edge; or return.

def apply(self, chart, grammar): (source) ¶

overrides nltk.parse.chart.EmptyPredictRule.apply

Return a generator that will add edges licensed by this rule and the given edges to the chart, one at a time. Each time the generator is resumed, it will either add a new edge and yield that edge; or return.

Parameters
chart	Undocumented
grammar	Undocumented
*edges:list(EdgeI)	A set of existing edges. The number of edges that should be passed to `apply()` is specified by the `NUM_EDGES` class variable.
Returns
iter(EdgeI)	Undocumented