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Functor
Meaning
Noun
●
In Grammar:
A
function
word.
●
In Object-oriented programming:
A
function
object.
●
In Category theory, Functions, Algebra & Logic:
A
category
homomorphism
; a
morphism
from a
source
category
to a
target
category
which
maps
objects
to
objects
and
arrows
to
arrows
, in such a way
as to
preserve
domains
and
codomains
(of the
arrows
) as well as
composition
and identities.
●
In Programming:
A structure
allowing
a
function
to
apply
within a
generic type
,
in a way
that is
conceptually
similar
to a
functor
in
category
theory.
Sourced from
Wiktionary
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