Some Rules from wrting your own dsl with ruby_Ruby_编程开发_程序员俱乐部

来自：http://blog.nofail.de/2010/02/writing-your-own-dsl-with-ruby/

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Some Rules from wrting your own dsl with ruby

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1. let the user choose how to use it

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all implemented methods return the object instance itself,so one can chain method calls for convenient

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2. make options optional

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a well designed API does not force user to provide argument that are not mandatory

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3. make use of an option hash for defaults

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consider using an optional parameter hash as the last method argument

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4. make use of scoped blocks

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providing scopes is another way to improve the readability of your code

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5. make use of instance_eval

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rebuid do?

method1

method2

method3?

end

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6. consider implementing method_missing