Terminal Objects

Some articles on terminal objects, objects, terminal, terminal object:

Singleton (mathematics) - Applications
... built on singletons often serve as terminal objects or zero objects of various categories The statement above shows that the singleton sets are precisely the terminal objects in the category Set of sets ... No other sets are terminal ... These singleton topological spaces are terminal objects in the category of topological spaces and continuous functions ...
Metaclass - In Ruby
... In particular, there is no Metaclass class in Ruby and the class of every non-terminal object is constantly the Class class ... metaclasses form disjoint sets) Smalltalk-80 Ruby Classes Metaclasses Terminal objects → Classes Eigenclasses of classes Terminal objects Eigenclasses of terminal objects The Smalltalk-80 class-of map is ... The maps can be briefly described as follows The eigenclass of a terminal object x provides "singleton methods" for x and does not have any correspondent in Smalltalk-80 ...

Famous quotes containing the words objects and/or terminal:

    Philosophy, certainly, is some account of truths the fragments and very insignificant parts of which man will practice in this workshop; truths infinite and in harmony with infinity, in respect to which the very objects and ends of the so-called practical philosopher will be mere propositions, like the rest.
    Henry David Thoreau (1817–1862)

    All sin tends to be addictive, and the terminal point of addiction is what is called damnation.
    —W.H. (Wystan Hugh)