letscape
GitHub
Video
map
=
f
›
nil
›
nil
|
cons
,
x
,
xs
›
cons
,
f
x
,
map
f
xs
in
not
=
true
›
false
|
false
›
true
in
map
not
cons
,
true
,
cons
,
false
,
nil
Action
Key
Info
Push
p
?
Pull
Shift P
?
Down
ArrowDown
?
Undo
Alt ArrowDown
?
Hide
Tab
?
Newline
Enter
?
Evaluate
e
?
Step
Shift E
?
Copy
Ctrl c
?
Let
l
?
Function
f
?
Match
m
?
Application
a
?
In
i
?
Cons
c
?
Variable
v
?
Bind
b
?
Symbol
s
?
Null
n
?
Debug
d
?
