D语言介绍(转)
整理了有关D语言的介绍,如下:
(邵东好Blog):
简单地说,D语言是一门新的编程语言,包含了C++、C# 跟 Java的长处,补充了它们的不足。(我想名字的由来可能是比C语言进一步^_^)
D语言的作者 Walter Bright (就一个人哦,暴强!!!)是大名鼎鼎的Symantec C++ compiler的作者,所以这门语言还是值得期待的。
目前的版本是D 0.167,Sep 18, 2006. (关注中, 期待新版本...)
其主页上介绍的特性很多,在我看来,主要还是其垃圾回收机制:
与C++相比,D语言采用了垃圾回收机制(GC),将程序员从指针堆里解放出来;
与C#/Java相比,其垃圾回收机制不需要虚拟机,运行速度提高,依赖性降低;
是C/C++的高效性与JAVA的安全性之结合。
目前,d语言缺少像java或是.net 丰富的类库,社区也不够活跃,个人感觉这只是了解的人不多而已。就语言特性而言,应该是相当丰富的,由于开源社区有mono和gnu classpath,加之d编译器已经有gnu 版本,前途是不可估量的。Shawn Liu 也对swt 的移植说明了java项目移植的可能性
链接
- d 语言站点 http://www.digitalmars.com/
- dsource http://www.dsource.org/
- d语言中文文档 http://www.dnaic.com/d/
- akied http://www.lessequal.com/software/akide/
- dwt (swt移植) http://www.dsource.org/projects/dwt/
D语言与其他语言功能比较表:
http://www.digitalmars.com/d/comparison.html
Feature | D | C | C++ | C# | Java |
---|---|---|---|---|---|
Garbage Collection | Yes | No | No | Yes | Yes |
Functions | |||||
Function delegates | Yes | No | No | Yes | No |
Function overloading | Yes | No | Yes | Yes | Yes |
Out function parameters | Yes | Yes | Yes | Yes | No |
Nested functions | Yes | No | No | No | No |
Function literals | Yes | No | No | No | No |
Dynamic closures | Yes | No | No | No | No |
Arrays | |||||
Lightweight arrays | Yes | Yes | Yes | No | No |
Resizeable arrays | Yes | No | No | No | No |
Arrays of bits | Yes | No | No | No | No |
Built-in strings | Yes | No | No | Yes | Yes |
Array slicing | Yes | No | No | No | No |
Array bounds checking | Yes | No | No | Yes | Yes |
Associative arrays | Yes | No | No | No | No |
Strong typedefs | Yes | No | No | No | No |
String switches | Yes | No | No | Yes | No |
Aliases | Yes | Yes | Yes | No | No |
OOP | |||||
Object Oriented | Yes | No | Yes | Yes | Yes |
Multiple Inheritance | No | No | Yes | No | No |
Interfaces | Yes | No | Yes | Yes | Yes |
Operator overloading | Yes | No | Yes | Yes | No |
Modules | Yes | No | Yes | Yes | Yes |
Dynamic class loading | No | No | No | Yes | Yes |
Nested classes | Yes | Yes | Yes | Yes | Yes |
Inner (adaptor) classes | No | No | No | No | Yes |
Covariant return types | Yes | No | Yes | No | No |
Properties | Yes | No | No | Yes | No |
Performance | |||||
Inline assembler | Yes | Yes | Yes | No | No |
Direct access to hardware | Yes | Yes | Yes | No | No |
Lightweight objects | Yes | Yes | Yes | Yes | No |
Explicit memory allocation control | Yes | Yes | Yes | No | No |
Independent of VM | Yes | Yes | Yes | No | No |
Direct native code gen | Yes | Yes | Yes | No | No |
Generic Programming | |||||
Templates | Yes | No | Yes | No | No |
Mixins | Yes | No | No | No | No |
typeof | Yes | No | No | Yes | No |
foreach | Yes | No | No | Yes | No |
Constraints | Yes | No | No | No | No |
Reliability | |||||
Contract Programming | Yes | No | No | No | No |
Unit testing | Yes | No | No | No | No |
Static construction order | Yes | No | No | Yes | Yes |
Guaranteed initialization | Yes | No | No | Yes | Yes |
RAII (automatic destructors) | Yes | No | Yes | Yes | No |
Exception handling | Yes | No | Yes | Yes | Yes |
try-catch-finally blocks | Yes | No | No | Yes | Yes |
Thread synchronization primitives | Yes | No | No | Yes | Yes |
Compatibility | |||||
C-style syntax | Yes | Yes | Yes | Yes | Yes |
Enumerated types | Yes | Yes | Yes | Yes | No |
Support all C types | Yes | Yes | No | No | No |
80 bit floating point | Yes | Yes | Yes | No | No |
Complex and Imaginary | Yes | Yes | No | No | No |
Direct access to C | Yes | Yes | Yes | No | No |
Use existing debuggers | Yes | Yes | Yes | No | No |
Struct member alignment control | Yes | No | No | No | No |
Generates standard object files | Yes | Yes | Yes | No | No |
Macro text preprocessor | No | Yes | Yes | No | No |
Other | |||||
Conditional compilation | Yes | Yes | Yes | Yes | No |
Unicode source text | Yes | Yes | Yes | Yes | Yes |
D语言主页:
http://www.minddrome.com/produtos/d/
http://www.digitalmars.com/d/
C#与C、C++、D、Java 的性能比较(中文)
http://mag.vchelp.net/200312/fanyi.htm
OSNews.com的介绍:
http://www.osnews.com/story.php?news_id=6761
D语言编译器下载:
http://www.digitalmars.com/d/dcompiler.html
D语言安装及使用
下载dmd.zip/dmc.zip ,解压到磁盘目录,把dmd\bin和dm\bin追加到环境变量path中即可
使用dmd 编译d源代码,如
1. hello.d
void main(){
printf("hello, world!");
}
2. dmd hello.d
3. hello
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