Tutorials for writing DSL in Ruby
Domain specific languages have become such a hot topic lately that you might think they are a recent innovation. You might think that, but you would be mistaken. If a DSL is a very narrowly focused computer language used to solve a specific set of problems, then don'tant and awk and the macro languages embedded in many spreadsheets and word processors qualify?
http://jroller.com/rolsen/entry/building_a_dsl_in_ruby
google : http://lmgtfy.com/?q=ruby+dsl

高中时候我们的厕所是有门的，带弹簧，可以自己回位，但是只能往里开，不能往外开好多人都有个习惯，开厕所门用脚踹。一般人也就是踹大约膝盖的高度，我有一同学，练过武术，大概是炫耀，或者为了保持自己的柔韧性，总是把脚抬很高，踹大约齐胸高的位置。某天傍晚，此人去WC，走到门前，不假思索，抬脚就踹我们教导主任正好方便完了，拉开门往外走于是我们的教导主任被我同学一脚标准的正蹬，踹回厕所。。

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和老妈去家附近的超市买东西，一不小心买的有点多。老妈出来后就想推着手推车直接回家，保安过来阻止。我妈帅气的甩了一句：把我姑娘押这儿，一会儿过来取。