[−][src]Module fst::map
Map operations implemented by finite state transducers.
This API provided by this sub-module is close in spirit to the API
provided by
std::collections::BTreeMap.
Overview of types
Map is a read only interface to pre-constructed sets. MapBuilder is
used to create new sets. (Once a set is created, it can never be modified.)
Stream, Keys and Values are streams that originated from a map.
StreamBuilder builds range queries. OpBuilder collects a set of streams
and executes set operations like union or intersection on them with the
option of specifying a merge strategy for a map's values. The rest of the
types are streams for set operations.
Structs
| Difference | A stream of set difference over multiple map streams in lexicographic order. |
| IndexedValue | A value indexed by a stream. |
| Intersection | A stream of set intersection over multiple map streams in lexicographic order. |
| Keys | A lexicographically ordered stream of keys from a map. |
| Map | Map is a lexicographically ordered map from byte strings to integers. |
| MapBuilder | A builder for creating a map. |
| OpBuilder | A builder for collecting map streams on which to perform set operations on the keys of maps. |
| Stream | A lexicographically ordered stream of key-value pairs from a map. |
| StreamBuilder | A builder for constructing range queries on streams. |
| SymmetricDifference | A stream of set symmetric difference over multiple map streams in lexicographic order. |
| Union | A stream of set union over multiple map streams in lexicographic order. |
| Values | A stream of values from a map, lexicographically ordered by each value's corresponding key. |