小白不懂就问, Python 是不是语法糖最多的“常规”语言 - V2EX
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churchill

小白不懂就问, Python 是不是语法糖最多的“常规”语言

  •  
  •   churchill Jul 3, 2022 2600 views
    This topic created in 1394 days ago, the information mentioned may be changed or developed.
    list(zip(*[(1,3,6),(2,4,5)])) 

    这啥啊,好家伙一个*号用到的地方比 c/c++还多 不闲得慌吗

    15 replies    2022-07-04 17:16:14 +08:00
    westoy
        1
    westoy  
       Jul 3, 2022   2
    问题是, 你这个*[]意义何在......有没有一种可能, 去掉这个, 完全没有任何影响.....
    misaka19000
        2
    misaka19000  
    &nbp;  Jul 3, 2022
    看一看 Ruby
    ecnelises
        3
    ecnelises  
       Jul 3, 2022 via iPhone   1
    Ruby 、Swift:?
    codeMore
        4
    codeMore  
       Jul 3, 2022
    a = list(zip(*[(1, 3, 6), (2, 4, 5)]))
    b = list(zip((1, 3, 6), (2, 4, 5)))
    codeMore
        5
    codeMore  
       Jul 3, 2022
    a,b 是等价吧
    churchill
        6
    churchill  
    OP
       Jul 3, 2022
    @westoy 别骗我 我不懂 python
    ```
    a = zip(*[(1,0),(0,1)])
    b = zip([(1,0),(0,1)])
    for c,d in a, b:
    print(c,d)
    # (1, 0) (0, 1)
    # ((1, 0),) ((0, 1),)
    ```
    westoy
        7
    westoy  
       Jul 3, 2022
    @churchill

    去掉*[], 不是去掉*啊......
    hsfzxjy
        8
    hsfzxjy  
       Jul 3, 2022 via Android
    ruby ,rust ,kotlin
    churchill
        9
    churchill  
    OP
       Jul 3, 2022
    @westoy 噢 我例子举得随便了,源代码中内容是作为参数传进来的
    LeeReamond
        10
    LeeReamond  
       Jul 4, 2022 via Android
    语法糖存在与否,本质上还是为了方便人机交互,所以语义清晰即可,从这个角度上讲 for in/for each of 这类接近自然语言的语法糖设计为一类,python 的*解析式可以认为是二类,c 语言在声明和赋值混合使用星号(而不采用 ptr 之类的元语表达相同含义),包括 rust 设计中用量过于频繁的各类标记性的标点符号,就都比较糟糕了
    Building
        11
    Building  
       Jul 4, 2022 via iPhone
    Swift 表示……都是渣渣
    Leviathann
        12
    Leviathann  
       Jul 4, 2022 via iPhone
    python 的语法 其实还是相当简陋的 也就只写过 c 早期 Java 等古早语言的才会吹一吹它的所谓贴近自然语言这点
    MintZX
        13
    MintZX  
       Jul 4, 2022 via iPhone
    看一看 scala
    abersheeran
        14
    abersheeran  
       Jul 4, 2022
    https://mingshe.aber.sh/en/ 我甚至觉得 Python 的语法少了哈哈哈
    coderwl
        15
    coderwl  
       Jul 4, 2022
    ruby 的糖多的离谱
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