File: janet

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# Constants
nil
true
false

# Symbols
symbol
kebab-case-symbol
snake_case_symbol
my-module/my-fuction
*****
!%$^*__--__._+++===~-crazy-symbol
*global-var*
你好
symbols:with:colons
_

# Keywords
:keyword
:range
:0x0x0x0
:a-keyword
::
:

# Numbers
0
+0.0
-10_000
16r1234abcd
0x23.23
1e10
1.6e-4
7r343_111_266.6&+10

# Strings
"This is a string."
"This\nis\na\nstring."
"\u004a"
"\U01F5DD"
"This
is
a
string."
``
This
is
a
string
``
`
This is
a string.
`

# Buffers
@""
@"Buffer."
@``Another buffer``
@`
Yet another buffer
`

# Tuples
(do 1 2 3)
[do 1 2 3]

# Arrays
@(:one :two :three)
@[:one :two :three]

# Structs
{}
{:key1 "value1" :key2 :value2 :key3 3}
{(1 2 3) (4 5 6)}
{@[] @[]}
{1 2 3 4 5 6}

# Tables
@{}
@{:key1 "value1" :key2 :value2 :key3 3}
@{(1 2 3) (4 5 6)}
@{@[] @[]}
@{1 2 3 4 5 6}

# Special forms
(def anumber (+ 1 2 3 4 5))
(var a 1)
(fn identity [x] x)

# Function definitions
(defn triangle-area
  "Calculates the area of a triangle."
  [base height]
  (print "calculating area of a triangle...")
  (* base height 0.5))

(defn ignore-extra
  [x &]
  (+ x 1))

# Function calls
(print (triangle-area 5 10))
(nil? nil)
(not= 1 1)
(put @{:a 1} :b 2)
(type @{:a 1})
(type {:a 1})
(in [:a :b :c] 1)
(type [:a :b])
(type '(:a :b))
(tuple/type '[])
(tuple/type '())
(first [1 2 3])
(drop [1 2 3])
(+ 1 2 3)
(apply + [1 2 3])
(+ ;[2 3 5 7 11])
(|(+ 1 1 2 3 5 $) 8)

# Quotes
(quote 1)
(quote hi)
(quote quote)
'(1 2 3)
'(print 1 2 3)
'x
'(print "hello world")
(quote (print "hello world"))
(def name 'myfunction)
(def args '[x y z])
(defn body '[(print x) (print y) (print z)])
'{:foo (print "bar")}
'@(print 1 2 3)

# Quasiquotes
~x
~(def ,name (fn ,name ,args ,body))
~(+ 1 ,(inc 1))
(quasiquote (+ 1 (unquote (inc 1))))
(quasiquote (+ 1 (unquote (inc (inc 1)))))