parrot

Parrot is the virtual machine originally designed for Perl 6. What technical capabilities does the Parrot VM offer that competing virtual machines such as the Java Virtual Machine (JVM) / Hotspot VM and Common Language Runtime (CLR) lack? Schwern The following answer was written in 2009. See also this 2015 update by raiph . To expand on @Reed and point out some highlights, Parrot's opcodes are at a far higher level than most virtual machines. For example, while most machines store integers and floats, the basic registers are integers, numbers, strings and Parrot Magic Cookies (PMCs). Just

What's the benefit of the Parrot Virtual Machine for end-users (software developers)? For example, if I could program against Perl or Python directly why would I bother programming for them under Parrot? GameZelda Basically, the typical benefits of a VM (portability, runtime optimizations, etc.). From the main page: Once a program has been compiled to run on a virtual machine, it will run on any platform that the VM has been implemented on. Parrot is just different from typical VM in that it's designed to support any existing language, not just an specific language. So, when Parrot improves,

1. 在函数调用中，关键字的参数必须跟随在位置参数的后面。 parrot(voltage=1000000, action='VOOOOOM') //right parrot(voltage=5.0, 'dead') // wrong 2. 使用 from package import item的方式导入包时，这个item既可以是包中定义的子模块或者子包，也可以是包中定义的其它命名，比如函数、类或变量； 3. 每次都文件进读写操作，都要重新打开文件 open(filename, mode)； 4. 转载于:https://www.cnblogs.com/qijiage/p/4757508.html 来源： https://blog.csdn.net/weixin_30819163/article/details/98824380