Nimrod (已改名为 Nim)是一个新型的静态类型、命令式编程语言，支持过程式、函数式、面向对象和泛型编程风格而保持简单和高效。Nimrod从Lisp继承来的一个特殊 特性--抽象语法树(AST)作为语言规范的一部分，可以用作创建领域特定语言的强大宏系统。 Nimrod是一个编译型的具有垃圾收集的系统编程语言，有着极其卓越的生产/性能比。Nimrod的设计集中在三个E上：即效率(efficiency)、表达能力(expressiveness)和优雅(elegance)。 Nim 0.10.2 发布，此版本包括大量的语言改进，一些可能会跟现有的代码大不相同。为了大家的方便，添加了一个新的工具 nimfix，使用最新版本的编译器，帮助转换现有的项目。 Nim 很快就要开始 1.0 版本了，1.0 版本将不会有太多重大的改进。现阶段添加了新的模块 asyncdispatch ，帮助便携高效的 web 服务器应用，使用非阻塞代码。Nim 添加了一个内置线程池，为了使用 spawn 进行轻量级的线程开发。 此版本废弃了T "T" 和 "P" 类型前缀，添加了一个新的可搜索的论坛，添加了新的网站和改进现有的文档生成器 docgen。 Nim 将会很快到达 1.0 版本，除了 bug 修复，计划添加两个重要特性： static[T] needs to be defined precisely and the bugs in the implementation need to be fixed. Overloading of the assignment operator is required for some generic containers and needs to be implemented. 更新日志 影响向后兼容方面的改进 The language has been renamed from Nimrod to Nim. The name of the compiler changed from nimrod to nim too. system.fileHandle has been renamed to system.getFileHandle to prevent name conflicts with the new type FileHandle. Comments are now not part of the AST anymore, as such you cannot use them in place of discard. Large parts of the stdlib got rid of the T/P type prefixes. Instead most types now simply start with an uppercased letter. The so called "partial case sensitivity" rule is now active allowing for code like var foo: Foo in more contexts. String case (or any non-ordinal case) statements without 'else' are deprecated. Recursive tuple types are not allowed anymore. Use object instead. The PEGS module returns nil instead of "" when an optional capture fails to match. The re module returns nil instead of "" when an optional capture fails to match. The "symmetric set difference" operator (-+-) never worked and has been removed. defer is a keyword now. func is a keyword now. The using language feature now needs to be activated via the new {.experimental.} pragma that enables experimental language features. Destructors are now officially experimental. Standalone except and finally statements are deprecated now. The standalone finally can be replaced with defer, standalone except requires an explicit try. Operators ending in > are considered as "arrow like" and have their own priority level and are right associative. This means that the => and -> operators from the future module work better. Field names in tuples are now ignored for type comparisons. This allows for greater interoperability between different modules. Statement lists are not converted to an implicit do block anymore. This means the confusing nnkDo nodes when working with macros are gone for good. 语言组件 The new concurrency model has been implemented including locks sections, lock levels and object field guards. The parallel statement has been implemented. deepCopy has been added to the language. The builtin procCall can be used to get super-like functionality for multi methods. There is a new pragma {.experimental.} that enables experimental language features per module, or you can enable this features on a global level with the --experimental command line option. 编译器组件 The compiler now supports mixed Objective C / C++ / C code generation: The modules that use importCpp or importObjc are compiled to C++ or Objective C code, any other module is compiled to C code. This improves interoperability. There is a new parallel statement for safe fork&join parallel computing. guard and lock pragmas have been implemented to support safer concurrent programming. The following procs are now available at compile-time: math.sqrt, math.ln, math.log10, math.log2, math.exp, math.round, math.arccos, math.arcsin, math.arctan, math.arctan2, math.cos, math.cosh, math.hypot, math.sinh, math.sin, math.tan, math.tanh, math.pow, math.trunc, math.floor, math.ceil, math.fmod, os.getEnv, os.existsEnv, os.dirExists, os.fileExists, system.writeFile Two backticks now produce a single backtick within an emit or asm statement. There is a new tool, nimfix to help you in updating your code from Nimrod to Nim. The compiler's output has been prettified. 库组件 Added module fenv to control the handling of floating-point rounding and exceptions (overflow, division by zero, etc.). system.setupForeignThreadGc can be used for better interaction with foreign libraries that create threads and run a Nim callback from these foreign threads. List comprehensions have been implemented as a macro in the future module. The new Async module (asyncnet) now supports SSL. The smtp module now has an async implementation. Added module asyncfile which implements asynchronous file reading and writing. osproc.kill has been added. asyncnet and asynchttpserver now support SO_REUSEADDR. Bug 修复 nil and NULL are now preserved between Nim and databases in the db_* modules. Fixed issue with OS module in non-unicode mode on Windows. Fixed issue with x.low (#1366). Fixed tuple unpacking issue inside closure iterators (#1067). Fixed ENDB compilation issues. Many asynchttpserver fixes. Macros can now keep global state across macro calls (#903). osproc fixes on Windows. osproc.terminate fixed. Improvements to exception handling in async procedures. (#1487). try now works at compile-time. Fixes T = ref T to be an illegal recursive type. Self imports are now disallowed. Improved effect inference. Fixes for the math module on Windows. User defined pragmas will now work for generics that have been instantiated in different modules. Fixed queue exhaustion bug. Many, many more. 更多内容请看发行说明。 Nim 0.10.2 发布，命令式编程语言下载地址
