Package nltk :: Module featstruct :: Class Feature

type Feature

object --+
         |
        Feature

Known Subclasses:

A feature identifier that's specialized to put additional constraints, default values, etc.

Instance Methods

[hide private]

__init__(self, name, default=None, display=None)

source code

__repr__(self)

source code

__cmp__(self, other)

source code

__hash__(self)

source code

parse_value(self, s, position, reentrances, parser)

source code

unify_base_values(self, fval1, fval2, bindings)
If possible, return a single value..

source code

Instance Variables

[hide private]

_name
The name of this feature.

_default
Default value for this feature.

_display
Custom display location: can be prefix, or slash.

Properties

[hide private]

name

default

display

Method Details

[hide private]

init(self, name, default=None, display=None)
(Constructor)

source code

Overrides: object.__init__: (inherited documentation)

repr(self)
(Representation operator)

source code

Overrides: object.__repr__: (inherited documentation)

hash(self)
(Hashing function)

source code

Overrides: object.__hash__: (inherited documentation)

unify_base_values(self, fval1, fval2, bindings)

source code

If possible, return a single value.. If not, return the value UnificationFailure.

Instance Variable Details

[hide private]

_default

Default value for this feature. Use None for unbound.

Property Details

[hide private]

type Feature

__init__(self, name, default=None, display=None) (Constructor)

__repr__(self) (Representation operator)

__hash__(self) (Hashing function)

unify_base_values(self, fval1, fval2, bindings)

_default

name

default

display

init(self, name, default=None, display=None)
(Constructor)

repr(self)
(Representation operator)

hash(self)
(Hashing function)