<s>
Elixir	B-Language
is	O
a	O
functional	B-Language
,	O
concurrent	B-Architecture
,	O
high-level	B-Language
general-purpose	B-Language
programming	I-Language
language	I-Language
that	O
runs	O
on	O
the	O
BEAM	B-Application
virtual	I-Application
machine	I-Application
,	O
which	O
is	O
also	O
used	O
to	O
implement	O
the	O
Erlang	B-Operating_System
programming	I-Operating_System
language	I-Operating_System
.	O
</s>
<s>
Elixir	B-Language
builds	O
on	O
top	O
of	O
Erlang	B-Operating_System
and	O
shares	O
the	O
same	O
abstractions	O
for	O
building	O
distributed	B-Architecture
,	O
fault-tolerant	B-General_Concept
applications	O
.	O
</s>
<s>
Elixir	B-Language
also	O
provides	O
tooling	O
and	O
an	O
extensible	B-Architecture
design	O
.	O
</s>
<s>
The	O
latter	O
is	O
supported	O
by	O
compile-time	O
metaprogramming	B-Application
with	O
macros	O
and	O
polymorphism	B-Application
via	O
protocols	O
.	O
</s>
<s>
Elixir	B-Language
is	O
used	O
by	O
companies	O
such	O
as	O
Ramp	O
,	O
PagerDuty	O
,	O
Discord	B-Application
,	O
Brex	O
,	O
E-MetroTel	O
,	O
Pinterest	B-Application
,	O
Moz	O
,	O
Bleacher	O
Report	O
,	O
The	O
Outline	O
,	O
Inverse	O
,	O
Divvy	O
,	O
FarmBot	B-Device
and	O
for	O
building	O
embedded	B-Architecture
systems	I-Architecture
.	O
</s>
<s>
José	B-Language
Valim	I-Language
is	O
the	O
creator	O
of	O
the	O
Elixir	B-Language
programming	I-Language
language	I-Language
,	O
a	O
research	O
and	O
development	O
project	O
created	O
at	O
Plataformatec	O
.	O
</s>
<s>
His	O
goals	O
were	O
to	O
enable	O
higher	O
extensibility	B-Architecture
and	O
productivity	O
in	O
the	O
Erlang	B-Operating_System
VM	O
while	O
maintaining	O
compatibility	O
with	O
Erlang	B-Operating_System
's	O
ecosystem	O
.	O
</s>
<s>
Elixir	B-Language
was	O
aimed	O
at	O
large-scale	O
sites	O
and	O
apps	O
.	O
</s>
<s>
Elixir	B-Language
uses	O
features	O
of	O
Ruby	B-Language
,	O
Erlang	B-Operating_System
,	O
and	O
Clojure	B-Language
to	O
develop	O
a	O
"	O
high-concurrency	O
"	O
and	O
"	O
low-latency	O
"	O
language	O
.	O
</s>
<s>
Elixir	B-Language
was	O
designed	O
to	O
handle	O
large	O
data	O
volumes	O
.	O
</s>
<s>
Elixir	B-Language
is	O
used	O
in	O
the	O
telecommunication	O
,	O
eCommerce	O
,	O
and	O
finance	O
industries	O
.	O
</s>
<s>
On	O
July	O
12	O
,	O
2018	O
,	O
Honeypot	O
released	O
a	O
mini-documentary	O
on	O
Elixir	B-Language
.	O
</s>
<s>
Elixir	B-Language
mostly	O
follows	O
semantic	O
versioning	O
and	O
has	O
only	O
1	O
major	O
version	O
with	O
no	O
plans	O
for	O
a	O
second	O
.	O
</s>
<s>
Each	O
of	O
the	O
minor	O
versions	O
supports	O
a	O
specific	O
range	O
of	O
Erlang/OTP	B-Operating_System
versions	O
.	O
</s>
<s>
Compiles	B-Language
to	O
bytecode	O
for	O
the	O
BEAM	B-Application
virtual	I-Application
machine	I-Application
of	O
Erlang	B-Operating_System
.	O
</s>
<s>
Full	O
interoperability	O
with	O
Erlang	B-Operating_System
code	O
,	O
without	O
runtime	B-Library
impact	O
.	O
</s>
<s>
Built-in	B-Application
tooling	I-Application
for	O
managing	O
dependencies	O
,	O
code	B-Language
compilation	I-Language
,	O
running	O
tests	O
,	O
formatting	O
code	O
,	O
remote	O
debugging	O
and	O
more	O
.	O
</s>
<s>
Hygienic	O
metaprogramming	B-Application
by	O
direct	O
access	O
to	O
the	O
abstract	B-Data_Structure
syntax	I-Data_Structure
tree	I-Data_Structure
(	O
AST	O
)	O
.	O
</s>
<s>
Libraries	O
often	O
implement	O
small	O
domain-specific	B-Language
languages	I-Language
,	O
such	O
as	O
for	O
databases	O
or	O
testing	O
.	O
</s>
<s>
Code	O
execution	O
at	O
compile	B-Language
time	O
.	O
</s>
<s>
The	O
Elixir	B-Language
compiler	B-Language
also	O
runs	O
on	O
the	O
BEAM	B-Application
,	O
so	O
modules	O
that	O
are	O
being	O
compiled	B-Language
can	O
immediately	O
run	O
code	O
which	O
has	O
already	O
been	O
compiled	B-Language
.	O
</s>
<s>
Polymorphism	B-Application
via	O
a	O
mechanism	O
called	O
protocols	O
.	O
</s>
<s>
Dynamic	O
dispatch	O
,	O
as	O
in	O
Clojure	B-Language
,	O
however	O
,	O
without	O
multiple	O
dispatch	O
because	O
Elixir	B-Language
protocols	O
dispatch	O
on	O
a	O
single	O
type	O
.	O
</s>
<s>
The	O
following	O
examples	O
can	O
be	O
run	O
in	O
an	O
iex	O
shell	B-Operating_System
or	O
saved	O
in	O
a	O
file	O
and	O
run	O
from	O
the	O
command	B-Application
line	I-Application
by	O
typing	O
elixir	B-Language
<filename>	O
.	O
</s>
<s>
Pattern	B-Language
matching	I-Language
(	O
a.k.a.	O
</s>
<s>
Pattern	B-Language
matching	I-Language
with	O
multiple	O
clauses	O
:	O
</s>
<s>
List	B-Language
comprehension	I-Language
:	O
</s>
<s>
Mix	B-Application
is	O
a	O
build	O
automation	O
tool	O
that	O
provides	O
tasks	O
for	O
creating	O
,	O
compiling	B-Language
,	O
and	O
testing	O
Elixir	B-Language
projects	O
,	O
managing	O
its	O
dependencies	O
,	O
and	O
more	O
.	O
</s>
<s>
Phoenix	B-Application
is	O
a	O
web	O
development	O
framework	O
written	O
in	O
Elixir	B-Language
which	O
implements	O
the	O
server-side	O
Model	O
View	O
Controller	O
(	O
MVC	O
)	O
pattern	O
.	O
</s>
