Haskell is a purely functional programming language based on lambda calculus. It uses immutable values and expressions to produce terse code that is suitable for general-purpose software applications. 

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🔗 Resources

Haskell Docs https://www.haskell.org/
Haskell Wiki https://wiki.haskell.org/
Monad Graphic https://stackoverflow.com/questions/9345008/why-doesnt-scala-have-an-io-monad

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🔖 Topics Covered

- Haskell Basics Tutorial
- Functional programming concepts
- Who is Haskell Curry?
- What is Haskell used for?
- What is a Monad?
2024-02-04T05:38:35.556Z
nova-2
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2024-01-09.29447
30089e05-99d1-4376-b32e-c263170674af
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67875a7f-c9c4-48a0-aa55-5bdb8a91c34a
deprecated
Haskell, a statically typed general purpose language made famous for expanding the minds of developers into the functional programming paradigm.
You see, Haskell is a purely functional language based on lambda calculus, which means a function always produces the same output given the same input.
Unlike an imperative language, your code can't modify the inputs or produce side effects that would otherwise change the behavior of the application.
It was first developed in 1987 and named after logician Haskell Curry whose work had a massive influence on the functional programming world.
It's been used to build a wide variety of server side applications like the Hasura API platform, spam filtering at Facebook, and compilers for other languages like Elm and Pure Script.
And it's responsible for a countless number of blog posts about monads.
In Haskell, he write declarative code, where the program is a single expression that is executed by evaluating that expression.
It It also uses lazy evaluation, which means an expression is not evaluated until it's actually used by a function.
This can result in big performance gains, but unpredictable memory use at runtime.
All data in a Haskell program is immutable, which memory use at runtime.
All data in a Haskell program is immutable, which produces a lot of memory garbage, so it contains a garbage collector to Clean things up.
To get started, install the Glasgow Haskell Compiler, then create a file ending in dot h s.
We don't work with statements here, only expressions, which which is code that will always evaluate to a value.
Create a string with double quotes, then give it a name with the equal sign.
The value is immutable and can never be changed.
The type will automatically be inferred, or we can strongly type it with a double colon as a list of characters.
Now to define a function, start with a name followed by I, the arguments that you want to pass to it.
On the right side, define the logic of the function, and it will automatically return a value based on the result of the expression.
We can also statically type it using an arrow to separate the arguments and return value.
We can call the function by referencing its name with the arguments.
All values, including Functions are first class, which means they can be passed as arguments to other functions.
If we try to print the result to the standard output, we get an error.
That's because working with IO creates a side effect.
To write a program that actually does something, we write a main function with a do block.
Here, we can chain together a sequence of actions where the side effects are abstracted away, made possible by a mathematical concept known as the monad, which is basically a wrapper that can make functional code more modular.
Now, to run your code, you can use the interactive interpreter or compile it to an executable by running ghc HCMAKE.
This has been Haskell in 100 seconds.
Hit the like button and subscribe if you wanna see more short videos like this.
Thanks for watching, and I will see you in the next one.

Speaker 0: Haskell, a statically typed general purpose language made famous for expanding the minds of developers into the functional programming paradigm. You see, Haskell is a purely functional language based on lambda calculus, which means a function always produces the same output given the same input. Unlike an imperative language, your code can't modify the inputs or produce side effects that would otherwise change the behavior of the application. It was first developed in 1987 and named after logician Haskell Curry whose work had a massive influence on the functional programming world. It's been used to build a wide variety of server side applications like the Hasura API platform, spam filtering at Facebook, and compilers for other languages like Elm and Pure Script.

And it's responsible for a countless number of blog posts about monads. In Haskell, he write declarative code, where the program is a single expression that is executed by evaluating that expression. It It also uses lazy evaluation, which means an expression is not evaluated until it's actually used by a function. This can result in big performance gains, but unpredictable memory use at runtime. All data in a Haskell program is immutable, which memory use at runtime.

All data in a Haskell program is immutable, which produces a lot of memory garbage, so it contains a garbage collector to Clean things up. To get started, install the Glasgow Haskell Compiler, then create a file ending in dot h s. We don't work with statements here, only expressions, which which is code that will always evaluate to a value. Create a string with double quotes, then give it a name with the equal sign. The value is immutable and can never be changed.

The type will automatically be inferred, or we can strongly type it with a double colon as a list of characters. Now to define a function, start with a name followed by I, the arguments that you want to pass to it. On the right side, define the logic of the function, and it will automatically return a value based on the result of the expression. We can also statically type it using an arrow to separate the arguments and return value. We can call the function by referencing its name with the arguments.

All values, including Functions are first class, which means they can be passed as arguments to other functions. If we try to print the result to the standard output, we get an error. That's because working with IO creates a side effect. To write a program that actually does something, we write a main function with a do block. Here, we can chain together a sequence of actions where the side effects are abstracted away, made possible by a mathematical concept known as the monad, which is basically a wrapper that can make functional code more modular.

Now, to run your code, you can use the interactive interpreter or compile it to an executable by running ghc HCMAKE. This has been Haskell in 100 seconds. Hit the like button and subscribe if you wanna see more short videos like this. Thanks for watching, and I will see you in the next one.
Haskell, a statically typed general purpose language made famous for expanding the minds of developers into the functional programming paradigm. You see, Haskell is a purely functional language based on lambda calculus, which means a function always produces the same output given the same input. Unlike an imperative language, your code can't modify the inputs or produce side effects that would otherwise change the behavior of the application. It was first developed in 1987 and named after logician Haskell Curry whose work had a massive influence on the functional programming world. It's been used to build a wide variety of server side applications like the Hasura API platform, spam filtering at Facebook, and compilers for other languages like Elm and Pure Script. And it's responsible for a countless number of blog posts about monads. In Haskell, he write declarative code, where the program is a single expression that is executed by evaluating that expression. It It also uses lazy evaluation, which means an expression is not evaluated until it's actually used by a function. This can result in big performance gains, but unpredictable memory use at runtime. All data in a Haskell program is immutable, which memory use at runtime. All data in a Haskell program is immutable, which produces a lot of memory garbage, so it contains a garbage collector to Clean things up. To get started, install the Glasgow Haskell Compiler, then create a file ending in dot h s. We don't work with statements here, only expressions, which which is code that will always evaluate to a value. Create a string with double quotes, then give it a name with the equal sign.
programming
logic
The value is immutable and can never be changed. The type will automatically be inferred, or we can strongly type it with a double colon as a list of characters.
Now to define a function, start with a name followed by I, the arguments that you want to pass to it. On the right side, define the logic of the function, and it will automatically return a value based on the result of the expression. We can also statically type it using an arrow to separate the arguments and return value.
programming
We can call the function by referencing its name with the arguments.
All values, including Functions are first class, which means they can be passed as arguments to other functions. If we try to print the result to the standard output, we get an error. That's because working with IO creates a side effect. To write a program that actually does something, we write a main function with a do block. Here, we can chain together a sequence of actions where the side effects are abstracted away, made possible by a mathematical concept known as the monad, which is basically a wrapper that can make functional code more modular. Now, to run your code, you can use the interactive interpreter or compile it to an executable by running ghc HCMAKE. This has been Haskell in 100 seconds. Hit the like button and subscribe if you wanna see more short videos like this. Thanks for watching, and I will see you in the next one.
youtube
programming
streaming
logic
operations
Haskell, a statically typed general purpose language made famous for expanding the minds of developers into the functional programming paradigm. You see, Haskell is a purely functional language based on lambda calculus, which means a function always produces the same output given the same input. Unlike an imperative language, your code can't modify the inputs or produce side effects that would otherwise change the behavior of the application. It was first developed in 1987 and named after logician Haskell Curry whose work had a massive influence on the functional programming world. It's been used to build a wide variety of server side applications like the Hasura API platform, spam filtering at Facebook, and compilers for other languages like Elm and Pure Script. And it's responsible for a countless number of blog posts about monads. In Haskell, he write declarative code, where the program is a single expression that is executed by evaluating that expression. It It also uses lazy evaluation, which means an expression is not evaluated until it's actually used by a function. This can result in big performance gains, but unpredictable memory use at runtime. All data in a Haskell program is immutable, which memory use at runtime. All data in a Haskell program is immutable, which produces a lot of memory garbage, so it contains a garbage collector to Clean things up. To get started, install the Glasgow Haskell Compiler, then create a file ending in dot h s. We don't work with statements here, only expressions, which which is code that will always evaluate to a value. Create a string with double quotes, then give it a name with the equal sign. The value is immutable and can never be changed. The type will automatically be inferred, or we can strongly type it with a double colon as a list of characters. Now to define a function, start with a name followed by I, the arguments that you want to pass to it. On the right side, define the logic of the function, and it will automatically return a value based on the result of the expression. We can also statically type it using an arrow to separate the arguments and return value. We can call the function by referencing its name with the arguments. All values, including Functions are first class, which means they can be passed as arguments to other functions. If we try to print the result to the standard output, we get an error. That's because working with IO creates a side effect. To write a program that actually does something, we write a main function with a do block. Here, we can chain together a sequence of actions where the side effects are abstracted away, made possible by a mathematical concept known as the monad, which is basically a wrapper that can make functional code more modular. Now, to run your code, you can use the interactive interpreter or compile it to an executable by running ghc HCMAKE. This has been Haskell in 100 seconds. Hit the like button and subscribe if you wanna see more short videos like this. Thanks for watching, and I will see you in the next one.
Haskell,
haskell
a
a
statically
statically
typed
typed
general
general
purpose
purpose
language
language
made
made
famous
famous
for
for
expanding
expanding
the
the
minds
minds
of
of
developers
developers
into
into
the
the
functional
functional
programming
programming
paradigm.
paradigm
You
you
see,
see
Haskell
haskell
is
is
a
a
purely
purely
functional
functional
language
language
based
based
on
on
lambda
lambda
calculus,
calculus
which
which
means
means
a
a
function
function
always
always
produces
produces
the
the
same
same
output
output
given
given
the
the
same
same
input.
input
Unlike
unlike
an
an
imperative
imperative
language,
language
your
your
code
code
can't
can't
modify
modify
the
the
inputs
inputs
or
or
produce
produce
side
side
effects
effects
that
that
would
would
otherwise
otherwise
change
change
the
the
behavior
behavior
of
of
the
the
application.
application
It
it
was
was
first
first
developed
developed
in
in
1987
1987
and
and
named
named
after
after
logician
logician
Haskell
haskell
Curry
curry
whose
whose
work
work
had
had
a
a
massive
massive
influence
influence
on
on
the
the
functional
functional
programming
programming
world.
world
It's
it's
been
been
used
used
to
to
build
build
a
a
wide
wide
variety
variety
of
of
server
server
side
side
applications
applications
like
like
the
the
Hasura
hasura
API
api
platform,
platform
spam
spam
filtering
filtering
at
at
Facebook,
facebook
and
and
compilers
compilers
for
for
other
other
languages
languages
like
like
Elm
elm
and
and
Pure
pure
Script.
script
And
and
it's
it's
responsible
responsible
for
for
a
a
countless
countless
number
number
of
of
blog
blog
posts
posts
about
about
monads.
monads
In
in
Haskell,
haskell
he
he
write
write
declarative
declarative
code,
code
where
where
the
the
program
program
is
is
a
a
single
single
expression
expression
that
that
is
is
executed
executed
by
by
evaluating
evaluating
that
that
expression.
expression
It
it
It
it
also
also
uses
uses
lazy
lazy
evaluation,
evaluation
which
which
means
means
an
an
expression
expression
is
is
not
not
evaluated
evaluated
until
until
it's
it's
actually
actually
used
used
by
by
a
a
function.
function
This
this
can
can
result
result
in
in
big
big
performance
performance
gains,
gains
but
but
unpredictable
unpredictable
memory
memory
use
use
at
at
runtime.
runtime
All
all
data
data
in
in
a
a
Haskell
haskell
program
program
is
is
immutable,
immutable
which
which
memory
memory
use
use
at
at
runtime.
runtime
All
all
data
data
in
in
a
a
Haskell
haskell
program
program
is
is
immutable,
immutable
which
which
produces
produces
a
a
lot
lot
of
of
memory
memory
garbage,
garbage
so
so
it
it
contains
contains
a
a
garbage
garbage
collector
collector
to
to
Clean
clean
things
things
up.
up
To
to
get
get
started,
started
install
install
the
the
Glasgow
glasgow
Haskell
haskell
Compiler,
compiler
then
then
create
create
a
a
file
file
ending
ending
in
in
dot
dot
h
h
s.
s
We
we
don't
don't
work
work
with
with
statements
statements
here,
here
only
only
expressions,
expressions
which
which
which
which
is
is
code
code
that
that
will
will
always
always
evaluate
evaluate
to
to
a
a
value.
value
Create
create
a
a
string
string
with
with
double
double
quotes,
quotes
then
then
give
give
it
it
a
a
name
name
with
with
the
the
equal
equal
sign.
sign
The
the
value
value
is
is
immutable
immutable
and
and
can
can
never
never
be
be
changed.
changed
The
the
type
type
will
will
automatically
automatically
be
be
inferred,
inferred
or
or
we
we
can
can
strongly
strongly
type
type
it
it
with
with
a
a
double
double
colon
colon
as
as
a
a
list
list
of
of
characters.
characters
Now
now
to
to
define
define
a
a
function,
function
start
start
with
with
a
a
name
name
followed
followed
by
by
I,
i
the
the
arguments
arguments
that
that
you
you
want
want
to
to
pass
pass
to
to
it.
it
On
on
the
the
right
right
side,
side
define
define
the
the
logic
logic
of
of
the
the
function,
function
and
and
it
it
will
will
automatically
automatically
return
return
a
a
value
value
based
based
on
on
the
the
result
result
of
of
the
the
expression.
expression
We
we
can
can
also
also
statically
statically
type
type
it
it
using
using
an
an
arrow
arrow
to
to
separate
separate
the
the
arguments
arguments
and
and
return
return
value.
value
We
we
can
can
call
call
the
the
function
function
by
by
referencing
referencing
its
its
name
name
with
with
the
the
arguments.
arguments
All
all
values,
values
including
including
Functions
functions
are
are
first
first
class,
class
which
which
means
means
they
they
can
can
be
be
passed
passed
as
as
arguments
arguments
to
to
other
other
functions.
functions
If
if
we
we
try
try
to
to
print
print
the
the
result
result
to
to
the
the
standard
standard
output,
output
we
we
get
get
an
an
error.
error
That's
that's
because
because
working
working
with
with
IO
io
creates
creates
a
a
side
side
effect.
effect
To
to
write
write
a
a
program
program
that
that
actually
actually
does
does
something,
something
we
we
write
write
a
a
main
main
function
function
with
with
a
a
do
do
block.
block
Here,
here
we
we
can
can
chain
chain
together
together
a
a
sequence
sequence
of
of
actions
actions
where
where
the
the
side
side
effects
effects
are
are
abstracted
abstracted
away,
away
made
made
possible
possible
by
by
a
a
mathematical
mathematical
concept
concept
known
known
as
as
the
the
monad,
monad
which
which
is
is
basically
basically
a
a
wrapper
wrapper
that
that
can
can
make
make
functional
functional
code
code
more
more
modular.
modular
Now,
now
to
to
run
run
your
your
code,
code
you
you
can
can
use
use
the
the
interactive
interactive
interpreter
interpreter
or
or
compile
compile
it
it
to
to
an
an
executable
executable
by
by
running
running
ghc
ghc
HCMAKE.
hcmake
This
this
has
has
been
been
Haskell
haskell
in
in
100
100
seconds.
seconds
Hit
hit
the
the
like
like
button
button
and
and
subscribe
subscribe
if
if
you
you
wanna
wanna
see
see
more
more
short
short
videos
videos
like
like
this.
this
Thanks
thanks
for
for
watching,
watching
and
and
I
i
will
will
see
see
you
you
in
in
the
the
next
next
one.
one
success
The speaker explains the concept of a static language called monetization, which is used to expand developers into functional programming. The language is based on lambda calculus and has been used to build various server side applications and languages. It requires a single expression called "arre" to produce a lot of memory and is used to run code through a manual or interactive interpreter.
Haskell in 100 Seconds
Haskell, a statically typed general purpose language made famous for expanding the minds of developers into the functional programming paradigm. You see, Haskell is a purely functional language based on lambda calculus, which means a function always produces the same output given the same input. Unlike an imperative language, your code can't modify the inputs or produce side effects that would otherwise change the behavior of the application. It was first developed in 1987 and named after logician Haskell Curry whose work had a massive influence on the functional programming world. It's been used to build a wide variety of server side applications like the Hasura API platform, spam filtering at Facebook, and compilers for other languages like Elm and Pure Script. And it's responsible for a countless number of blog posts about monads. In Haskell, he write declarative code, where the program is a single expression that is executed by evaluating that expression. It It also uses lazy evaluation, which means an expression is not evaluated until it's actually used by a function. This can result in big performance gains, but unpredictable memory use at runtime. All data in a Haskell program is immutable, which memory use at runtime. All data in a Haskell program is immutable, which produces a lot of memory garbage, so it contains a garbage collector to Clean things up. To get started, install the Glasgow Haskell Compiler, then create a file ending in dot h s. We don't work with statements here, only expressions, which which is code that will always evaluate to a value. Create a string with double quotes, then give it a name with the equal sign. The value is immutable and can never be changed. The type will automatically be inferred, or we can strongly type it with a double colon as a list of characters. Now to define a function, start with a name followed by I, the arguments that you want to pass to it. On the right side, define the logic of the function, and it will automatically return a value based on the result of the expression. We can also statically type it using an arrow to separate the arguments and return value. We can call the function by referencing its name with the arguments. All values, including Functions are first class, which means they can be passed as arguments to other functions. If we try to print the result to the standard output, we get an error. That's because working with IO creates a side effect. To write a program that actually does something, we write a main function with a do block. Here, we can chain together a sequence of actions where the side effects are abstracted away, made possible by a mathematical concept known as the monad, which is basically a wrapper that can make functional code more modular. Now, to run your code, you can use the interactive interpreter or compile it to an executable by running ghc HCMAKE. This has been Haskell in 100 seconds. Hit the like button and subscribe if you wanna see more short videos like this. Thanks for watching, and I will see you in the next one.
The speaker explains the concept of a static language called monetization, which is used to expand developers into functional programming. The language is based on lambda calculus and has been used to build various server side applications and languages. It requires a single expression called "arre" to produce a lot of memory and is used to run code through a manual or interactive interpreter.