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Lukas Hermann
Dataviz @ databricks
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Published
By
Lukas Hermann
Edited
Feb 3, 2021
Importers
Insert cell
Insert cell
function
o
(
...
fns
)
{
function
makeComposition
(
x
,
...
fns
)
{
let
v
=
x
;
for
(
const
fn
of
fns
.
reverse
(
)
)
{
v
=
fn
(
v
)
;
}
return
v
;
}
return
x
=>
makeComposition
(
x
,
...
fns
)
;
}
Insert cell
Insert cell
fns
=
(
{
f
:
a
=>
a
*
2
,
g
:
a
=>
a
+
1
,
h
:
a
=>
a
*
a
,
i
:
a
=>
a
-
1
}
)
Insert cell
Insert cell
{
const
{
f
,
g
,
h
,
i
}
=
fns
;
return
o
(
f
,
g
,
h
,
i
)
(
5
)
==
f
(
g
(
h
(
i
(
5
)
)
)
)
;
}
Insert cell
Insert cell
Insert cell
fairy_and_grass_types
=
o
(
p
=>
p
.
map
(
d
=>
d
.
name
[
0
]
.
toUpperCase
(
)
+
d
.
name
.
slice
(
1
)
)
,
p
=>
p
.
filter
(
d
=>
d
.
types
.
join
(
' '
)
.
match
(
/(fairy)|(grass)/
)
)
)
(
pokemon
)
Insert cell
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
Try it for free
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o
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fns
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pokemon
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fairy_and_grass_types
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