Command Chains and Modules

Command chains

Groovy 1.8 added command chains, which allow for a completely fluent DSL for an even number of words.

For example, pull request on github will be executed as pull(request).on(github). Groovy 1.8 also added the following:

• Closure annotation parameters: @Invariant({number >= 0})
• Closure memoization: {...}.memoize()
• Built-in JSON support - Consuming, producing, and

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