<s>
Higher-order	B-Application
programming	I-Application
is	O
a	O
style	O
of	O
computer	B-General_Concept
programming	I-General_Concept
that	O
uses	O
software	O
components	O
,	O
like	O
functions	O
,	O
modules	O
or	O
objects	O
,	O
as	O
values	O
.	O
</s>
<s>
It	O
is	O
usually	O
instantiated	O
with	O
,	O
or	O
borrowed	O
from	O
,	O
models	O
of	O
computation	O
such	O
as	O
lambda	B-Language
calculus	I-Language
which	O
make	O
heavy	O
use	O
of	O
higher-order	B-Language
functions	I-Language
.	O
</s>
<s>
For	O
example	O
,	O
in	O
higher-order	B-Application
programming	I-Application
,	O
one	O
can	O
pass	O
functions	O
as	O
arguments	O
to	O
other	O
functions	O
and	O
functions	O
can	O
be	O
the	O
return	B-Language
value	I-Language
of	O
other	O
functions	O
(	O
such	O
as	O
in	O
macros	O
or	O
for	O
interpreting	B-Application
)	O
.	O
</s>
<s>
This	O
style	O
of	O
programming	O
is	O
mostly	O
used	O
in	O
functional	B-Language
programming	I-Language
,	O
but	O
it	O
can	O
also	O
be	O
very	O
useful	O
in	O
object-oriented	B-Language
programming	I-Language
.	O
</s>
<s>
A	O
slightly	O
different	O
interpretation	O
of	O
higher-order	B-Application
programming	I-Application
in	O
the	O
context	O
of	O
object-oriented	B-Language
programming	I-Language
are	O
higher	B-Application
order	I-Application
messages	I-Application
,	O
which	O
let	O
messages	O
have	O
other	O
messages	O
as	O
arguments	O
,	O
rather	O
than	O
functions	O
.	O
</s>
<s>
Prominent	O
examples	O
of	O
languages	O
supporting	O
this	O
are	O
Wolfram	B-Language
Language	I-Language
,	O
C#	B-Application
,	O
Java	B-Language
,	O
ECMAScript	B-Language
(	O
ActionScript	B-Operating_System
,	O
JavaScript	B-Language
,	O
JScript	B-Language
)	O
,	O
F#	B-Operating_System
,	O
Haskell	B-Language
,	O
Lisp	B-Language
(	O
Common	B-Language
Lisp	I-Language
,	O
Scheme	B-Language
,	O
Clojure	B-Language
,	O
others	O
)	O
,	O
Lua	B-Language
,	O
Oz	B-Language
,	O
Perl	B-Language
,	O
PHP	B-Application
,	O
Prolog	B-Language
,	O
Python	B-Language
,	O
Ruby	B-Language
,	O
Smalltalk	B-Application
,	O
Scala	B-Application
,	O
ML	B-Language
,	O
and	O
Erlang	B-Operating_System
.	O
</s>
