计划

缺少静态类型 没有静态函数重载(由于上述原因)导致字段访问器的名称很长 没有统一的对象系统 有点慢 相对较小的社区

Common Lisp

conditions aren't classes (since classes came later), even though their interface is almost identical some of the names are just weird, e.g., flet / labels (only difference: scope), and defvar / defparameter (only difference: behavior when already defined), or any of the bit-twiddling functions (dpb, ldb, etc.) packages are ... really hard to get right -- every time I think I understand them, they don't do what I want built-in data structures and functions aren't as generic as they could be (e.g., why can't I define my own hash function portably?) multiple namespaces for functions, variables, etc. (I'm not opposed to this in principle, but CL made it too complex; Norvig has said he can't tell from the spec but there appear to be at least 7 namespaces)

我不敢相信，我最讨厌的Python竟然还没被提到:

(Prior to 3.x) Relative imports look like absolute imports. import foo Does this import foo from the directory you're standing in or from the sys.path? Zipped eggs, leading to a sys.path full of shite. Zipped eggs means you can't use grep and find (to among other things debug problem 1)! Fortunately, there's pip. Use pip. Some of the included batteries are unpythonic. It grates to use them. Might be the fault of distro's and packagers, but still: sourcefile-encoding set to fscking ASCII on install/compile. WTF? Means I have to put the "# coding: UTF-8"-stuff in every single .py I ever make.

Py3k解决了我的其他几个讨厌的问题，例如坚持字符串是unicode的，8位的东西是不同的……

Python

1-3:没有一个明显的打包/构建/文档系统的选择(比如Perl的cpan、POD或Ruby的gem、rake、rdoc)。 4: Python 3.0是不兼容的，需要两个源分支(2。x和3.x)用于每个Python项目。但是Python 3.0的不兼容性还不足以证明它的合理性。大多数py3k的优势都太微妙了。 5: Jython, IronPython, CPython不兼容。

第一个帖子，所以对我放松点:)…很棒的社区网站，顺便说一句!

我试着阅读其他所有的c#回复，这样我的回复就不会重叠了

c#……排名不分先后:

1) switch语句中的case没有fallthrough。如果没有转机……为什么必须显式的类型中断;呢?这只是弱智和令人困惑，因为它意味着没有休息的能力;!!

2)不能在子作用域中声明同名变量，但可以声明与类变量同名的变量?要么都允许，要么都不允许。否则，就没有意义了。

3)函数中没有可选/默认参数

4) finally{}中的异常应该隐式地捕捉每一行。或者至少，只有NullReferenceException异常。例如，在访问数据库后，应该总是清理。所以，finally块应该看起来像这样:

finally
{
  if(par1 != null)
    par1.Dispose();
  if(comm != null)
    comm.Dispose();
  if(conn != null)
    conn.Dispose();
}

如果可以写成这样，就会简洁得多:

finally
{
    par1.Dispose();
    comm.Dispose();
    conn.Dispose();
}

但是，不……你必须检查你是否正在访问一个空对象，否则它可能会从finally块抛出一个NullReferenceException。谁真的需要finally块中的异常呢?

5)泛型:你可以指定new()来实例化你的泛型对象，但是这个对象需要有一个默认构造函数。为什么不能指定一个签名，这样就不需要在还没有空构造函数的情况下创建空构造函数，而只使用已有的构造函数。

C#

Cannot create a reference (var &t = struct) No local scope destructors (IDispose comes close but its not the same) ToString, i almost dislike that every object has it but it turns out i dislike everything using it like string.format does. I rather have things that accepts a certain type (like ints, floats, text, chars only). So instead of passing in any object i need to pass in something with a implicit typecast or interface. I ended up writing something like this to safely escape text for html which worked great. Cannot use a virtual typecast (blah)obj; does not work if obj does not inherit/has an interface of blah. Simple workaround is to supply an interface with a convert function. Has no local creation. Instead of writing var o = new Item(); i would like to write (something like) Item o() (with an automatic dispose if it has one).