Racket Libraries
5.1 
5.2 双 and 􏿴
5.3 􏻿
5.4 􏿰
5.5 􏶃
5.6 􏷂
5.7 􏶿
5.8 
5.9 
5.10 􏺃
5.11 Conditionals
5.12 
5.13 
5.14 未分类
On this page:
5.4.1 Naming Rules
5.4.2 􏿰
5.4.3 􏾌 􏾋 􏾊 􏾉
5.4.4 􏾐 􏾑
5.4.5 􏾎 􏾏 􏾈
5.4.6 􏿰^ 􏾋^ 􏾊^ 􏾉^,􏾏^ 􏾁^ 􏾀^ 􏽿^,􏾈^ 􏽽^ 􏽼^ 􏽻^,􏾐^ 􏾆^ 􏾅^ 􏾄^,􏿰化􏿳
5.4.7 􏿰?, 􏾌? 􏾋? 􏾊? 􏾉?, 􏾎? 􏾏? 􏾈?, 􏻵?
5.4.8 􏿰􏺈 􏿰􏺇,􏿰日?
5.4.9 􏿰弔 􏿰𫼛,􏿰􏽙,􏿰􏾘 􏿰􏽘
5.4.10 􏿰攸 􏿰攸+  ,􏿰􏾩 􏿰􏾩+  ,􏿰攸/  入 􏿰􏾩/  
5.4.11 􏿰𠛮 􏿰􏽗,𠛮􏿰
5.4.12 􏿰􏷒 􏿰􏷑 􏿰􏷑化􏿴
5.4.13 􏿰􏺈?^
5.4.14 􏿰巨 􏻵?
5.4.15 􏾑化
5.4.16 ming/  racket/  base
􏿰
􏾋
􏾊
􏾉
􏿰?
􏾌?
􏾋?
􏾊?
􏾉?
􏾎?
􏾏?
􏾈?
􏿰^
􏾋^
􏾊^
􏾉^
􏾐^
􏾆^
􏾅^
􏾄^
􏾏^
􏾁^
􏾀^
􏽿^
􏾈^
􏽽^
􏽼^
􏽻^
􏿰攸
􏿰攸+
􏿰攸/  
􏿰􏾩
􏿰􏾩+
􏿰􏾩/  
􏿰弔
􏿰􏽙
􏿰𫼛
􏿰日?
􏿰􏾘
􏿰􏽘
􏿰𠛮
􏿰􏽗
𠛮􏿰
􏿰􏷑化􏿴
􏿰􏷑
􏿰􏺈
􏿰􏺇
􏿰化􏿳
􏿰􏺈?^
􏿰􏷒
􏿰巨
􏻵?
?􏿰引
?􏿰继引
?􏿰引日
?􏿰引月
?􏿰引明
?􏿰引日月
􏾑化
5.4.17 ming/  racket/  hash
􏿰并
􏿰并!
􏿰交!
8.15

5.4 􏿰🔗

Originates from Hash Tables and Extends to 􏿰.

5.4.1 Naming Rules🔗

Extended from Naming Rules, specifically there are:

Rule

Connotation

Elucidation

Example

|􏶯|􏶮|=||𭕄|||􏶭 + 􏿰

minor type

similar to 􏿰 but differentiate in how keys work or other details.

􏾐? 􏾑? 􏾎? 􏾏? 􏾈? 􏾌? 􏾋? 􏾊? 􏾉?

--

--

􏿰攸

--

--

􏿰􏺈 􏿰􏺇

--

--

􏿰􏾘 􏿰𠛮

--

--

􏿰􏾩 􏿰𫼛 􏿰𫼛 􏿰􏽘 􏿰􏽗

^

--

when it meets 􏿰 family chars(􏾐, 􏾌 etc.), the input will be 􏿳 object futher.

􏿰^ 􏾋^ 􏾊^ 􏾉^

?^

is subset of an object

implies that more than one same type objects and output type is boolean.

􏿰􏺈?^

+

--

--

􏿰攸+ 􏿰􏾩+

5.4.2 􏿰🔗

🐘 􏿳

􏿰: 广: same as cnchar 广, which means hourse, but borrowed to stands for space where has many elements in Ming; indicates each elements is similar to .
ideograph

5.4.3 􏾌 􏾋 􏾊 􏾉🔗

􏾌/􏾋/􏾊/􏾉: resemble 􏿰. : /􏶯: /􏶮: /=:  are simplified way to write /􏷇/􏷅/, which indicate the keys are uniqued by using which comparison procedures.

ideograph

5.4.4 􏾐 􏾑🔗

􏾐/􏾑: /𭕄 + 􏿰.

ideograph

5.4.5 􏾎 􏾏 􏾈🔗

􏾎/􏾏/􏾈: resemble 􏿰. : same as cnchar , which means bamboo, but borrowed to stands for stongly restained keys in Ming; : same as cnchar , which means grass, but borrowed to stands for weakly reatined keys in Ming; 􏶭: "retains keys strongly or merely weakly".

ideograph

Examples:
> (􏿰 1 2 3 4)

'#hash((1 . 2) (3 . 4))

> (􏽮? (􏿰 1 2 3 4))

#t

5.4.6 􏿰^ 􏾋^ 􏾊^ 􏾉^,􏾏^ 􏾁^ 􏾀^ 􏽿^,􏾈^ 􏽽^ 􏽼^ 􏽻^,􏾐^ 􏾆^ 􏾅^ 􏾄^,􏿰化􏿳🔗

Examples:
> (􏿰^ '((1 . 2) (3 . 4)))

'#hash((1 . 2) (3 . 4))

> (􏽦? (􏿰^ '((1 . 2) (3 . 4))))

#t

> (􏾏^ '((1 . 2) (3 . 4)))

'#hash((1 . 2) (3 . 4))

> (􏽦? (􏾏^ '((1 . 2) (3 . 4))))

#f

> (􏾁^ '((1 . 2) (3 . 4)))

'#hashalw((1 . 2) (3 . 4))

> (􏽡? (􏾁^ '((1 . 2) (3 . 4))))

#t

> (􏿰化􏿳 (􏿰 1 2 3 4))

'((1 . 2) (3 . 4))

> (􏿰化􏿳 (􏾋 1 2 3 4))

'((1 . 2) (3 . 4))

> (􏿰化􏿳 (􏾑 1 2 3 4))

'((1 . 2) (3 . 4))

5.4.7 􏿰?, 􏾌? 􏾋? 􏾊? 􏾉?, 􏾎? 􏾏? 􏾈?, 􏻵?🔗

Examples:
> (􏿰? (􏿰 1 2 3 4))

#t

> (􏾌? (􏿰 1 2 3 4))

#t

> (􏾎? (􏿰 1 2 3 4))

#t

> (􏾐? (􏿰 1 2 3 4))

#t

> (􏽮? (􏿰 1 2 3 4))

#t

> (􏿰^ '((1 . 2) (3 . 4)))

'#hash((1 . 2) (3 . 4))

> (􏾌? (􏿰^ '((1 . 2) (3 . 4))))

#t

> (􏾎? (􏿰^ '((1 . 2) (3 . 4))))

#t

> (􏾑? (􏿰^ '((1 . 2) (3 . 4))))

#t

> (􏽦? (􏿰^ '((1 . 2) (3 . 4))))

#t

> (􏽦? (􏾏^ '((1 . 2) (3 . 4))))

#f

> (􏽡? (􏾁^ '((1 . 2) (3 . 4))))

#t

> (􏻵? (􏿰 'a "aa" 'b "bb"))

#f

> (􏻵? (􏿰))

#t

5.4.8 􏿰􏺈 􏿰􏺇,􏿰日?🔗

􏺈:  + , stands for the keys of 􏿰 object.
ideograph
􏺇:  + , stands for the values of 􏿰 object.
ideograph
:  + , stands for the pair(key+value) of 􏿰 object.
ideograph

Examples:
> (􏿰􏺈 (􏿰 'a "apple" 'b "banana"))

'(b a)

> (􏿰􏺇 (􏿰 'a "apple" 'b "banana"))

'("banana" "apple")

> (􏿰日? (􏿰 'a "apple" 'b "banana") 'a)

#t

5.4.9 􏿰弔 􏿰𫼛,􏿰􏽙,􏿰􏾘 􏿰􏽘🔗

𫼛:  +
ideograph
{
􏽙:  +
ideograph
{
􏾘:  +
ideograph
􏽘:  + 􏾘
ideograph

Examples:
> (􏿰弔 (􏿰 'a "apple" 'b "banana") 'b)

"banana"

> (􏿰弔 (􏿰 'a "apple" 'b "banana") 'b "cat")

"banana"

> (􏿰弔 (􏿰 'a "apple" 'b "banana") 'c "cat")

"cat"

> (􏿰􏽙 (􏿰 'a "apple" 'b "banana") 'b)

'b

> (􏿰􏽙 (􏿰 'a "apple" 'b "banana") 'b "cat")

'b

> (􏿰􏽙 (􏿰 'a "apple" 'b "banana") 'c "cat")

"cat"

> (􏿰􏾘 (􏿰 'a "apple" 'b "banana") 'a)

'#hash((b . "banana"))

> ( h (􏾑 'a "apple" 'b "banana"))
> (􏿰𫼛 h 'b "cat")

"banana"

> h

'#hash((a . "apple") (b . "banana"))

> (􏿰𫼛 h 'c "cat")

"cat"

> h

'#hash((a . "apple") (b . "banana") (c . "cat"))

> (􏿰􏽘 h 'a)
> h

'#hash((b . "banana") (c . "cat"))

5.4.10 􏿰攸 􏿰攸+,􏿰􏾩 􏿰􏾩+,􏿰攸/入 􏿰􏾩/入🔗

🐘 

Examples:
> (􏿰攸 (􏿰 'a "apple" 'b "banana") 'b "ba")

'#hash((a . "apple") (b . "ba"))

> (􏿰攸+ (􏿰 'a "apple" 'b "banana") 'a "ap" 'b "ba")

'#hash((a . "ap") (b . "ba"))

> (􏿰攸/入 (􏿰 'a "apple" 'b "banana" 'c 1) 'c 􏽊)

'#hash((a . "apple") (b . "banana") (c . 2))

> ( h (􏾑 'a "apple" 'b "banana"))
> (􏿰􏾩+ h 'a "ap" 'b "ba")
> h

'#hash((a . "ap") (b . "ba"))

5.4.11 􏿰𠛮 􏿰􏽗,𠛮􏿰🔗

𠛮:  + .
ideograph

Examples:
> (􏿰𠛮 (􏿰 'a "apple" 'b "banana"))

'#hash()

> ( h (􏾑 'a "apple" 'b "banana"))
> (􏿰􏽗 h)
> h

'#hash()

> (𠛮􏿰 (􏿰 'a "apple" 'b "banana"))

'#hash()

5.4.12 􏿰􏷒 􏿰􏷑 􏿰􏷑化􏿴🔗

🐘 􏷑

Examples:
> (􏿰􏷒 (􏿰 'a "apple" 'b "banana") ( (K V) ( K) ( V)))

'b"banana"'a"apple"

> (􏿰􏷑 (􏿰 'a "apple" 'b "banana") ( (K V) ( V K)))

'#hash(("apple" . a) ("banana" . b))

> (􏿰􏷑化􏿴 (􏿰 'a "apple" 'b "banana") ( (K V) (􏿴 V K)))

'(("banana" b) ("apple" a))

5.4.13 􏿰􏺈?^🔗

🐘 􏿰􏺈

Examples:
> (􏿰􏺈?^ (􏿰 'a "aa" 'b "bb") (􏿰 'a "aaa" 'b "bbb" 'c "ccc"))

#t

> (􏿰􏺈?^ (􏿰 'a "aa" 'c "cc") (􏿰 'a "aaa" 'b "bbb" 'c "ccc"))

#t

> (􏿰􏺈?^ (􏿰 'a "aa" 'd "dd") (􏿰 'a "aaa" 'b "bbb" 'c "ccc"))

#f

> (􏿰􏺈?^ (􏿰 'b "bb") (􏿰 'a "aaa" 'b "bbb" 'c "ccc"))

#t

5.4.14 􏿰巨 􏻵?🔗

🐘  穴?

􏻵:  + 􏿰.
ideograph

Examples:
> (􏿰巨 (􏿰 'a "aa" 'b "bb"))

2

> (􏻵? (􏿰 'a "aa" 'b "bb"))

#f

5.4.15 􏾑化🔗

Examples:
> (􏾐? (􏿰 'a "aa" 'b "bb"))

#t

> (􏾐? (􏾑化 (􏿰 'a "aa" 'b "bb")))

#f

5.4.16 ming/racket/base🔗

word

􏿰 : 􏿰 = hash

word

􏾋 : 􏾋 = hashalw

word

􏾊 : 􏾊 = hasheqv

word

􏾉 : 􏾉 = hasheq

word

􏿰? : 􏿰 + ? = hash?

word

􏾌? : 􏾌 + ? = hash-equal?

word

􏾋? : 􏾋 + ? = hash-equal-always?

word

􏾊? : 􏾊 + ? = hash-eqv?

word

􏾉? : 􏾉 + ? = hash-eq?

word

􏾎? : 􏾎 + ? = hash-strong?

word

􏾏? : 􏾏 + ? = hash-weak?

word

􏾈? : 􏾈 + ? = hash-ephemeron?

word

􏿰^ : 􏿰 + ^ = make-hash

word

􏾋^ : 􏾋 + ^ = make-hashalw

word

􏾊^ : 􏾊 + ^ = make-hasheqv

word

􏾉^ : 􏾉 + ^ = make-hasheq

word

􏾐^ : 􏾐 + ^ = make-immutable-hash

word

􏾆^ : 􏾆 + ^ = make-immutable-hashalw

word

􏾅^ : 􏾅 + ^ = make-immutable-hasheqv

word

􏾄^ : 􏾄 + ^ = make-immutable-hasheq

word

􏾏^ : 􏾏 + ^ = make-weak-hash

word

􏾁^ : 􏾁 + ^ = make-weak-hashalw

word

􏾀^ : 􏾀 + ^ = make-weak-hasheqv

word

􏽿^ : 􏽿 + ^ = make-weak-hasheq

word

􏾈^ : 􏾈 + ^ = make-ephemeron-hash

word

􏽽^ : 􏽽 + ^ = make-ephemeron-hashalw

word

􏽼^ : 􏽼 + ^ = make-ephemeron-hasheqv

word

􏽻^ : 􏽻 + ^ = make-ephemeron-hasheq

word

􏿰攸 : 􏿰 +  = hash-set

word

􏿰攸+ : 􏿰攸 + + = hash-set*

word

􏿰攸/入 : 􏿰攸 + / +  = hash-update

word

􏿰􏾩 : 􏿰 + 􏾩 = hash-set!

word

􏿰􏾩+ : 􏿰􏾩 + + = hash-set*!

word

􏿰􏾩/入 : 􏿰􏾩 + / +  = hash-update!

word

􏿰弔 : 􏿰 +  = hash-ref

word

􏿰􏽙 : 􏿰 + 􏽙 = hash-ref-key

word

􏿰𫼛 : 􏿰 + 𫼛 = hash-ref!

word

􏿰日? : 􏿰 + + ? = hash-has-key?

word

􏿰􏾘 : 􏿰 + 􏾘 = hash-remove

word

􏿰􏽘 : 􏿰 + 􏽘 = hash-remove!

word

􏿰𠛮 : 􏿰 + 𠛮 = hash-clear

word

􏿰􏽗 : 􏿰 + 􏽗 = hash-clear!

word

𠛮􏿰 : 𠛮 + 􏿰 = hash-copy-clear

word

􏿰􏷑化􏿴 : 􏿰􏷑 + + 􏿴 = hash-map

word

􏿰􏷑 : 􏿰 + 􏷑 = hash-map/copy

word

􏿰􏺈 : 􏿰 + 􏺈 = hash-keys

word

􏿰􏺇 : 􏿰 + 􏺇 = hash-values

word

􏿰化􏿳 : 􏿰 + + 􏿳 = hash->list

word

􏿰􏺈?^ : 􏿰 + 􏺈 + ? + ^ = hash-keys-subset?

word

􏿰􏷒 : 􏿰 + 􏷒 = hash-for-each

word

􏿰巨 : 􏿰 +  = hash-count

word

􏻵? : 􏻵 + ? = hash-empty?

word

?􏿰引 : ? + 􏿰 +  = hash-iterate-first

word

?􏿰继引 : ? + 􏿰 + +  = hash-iterate-next

word

?􏿰引日 : ? + 􏿰 + +  = hash-iterate-key

word

?􏿰引月 : ? + 􏿰 + +  = hash-iterate-value

word

?􏿰引明 : ? + 􏿰 + +  = hash-iterate-pair

word

?􏿰引日月 : ? + 􏿰 + + +  = hash-iterate-key+value

word

􏾑化 : 􏾑 +  = hash-copy

5.4.17 ming/racket/hash🔗

word

􏿰并 : 􏿰 +  = hash-union

word

􏿰并! : 􏿰并 + ! = hash-union!

word

􏿰交! : 􏿰交 + ! = hash-intersect