function_importer

writing explicitly need function for a module. and support rename.

Example

  require 'rubygems'
  require 'function_importer'
  module Utils
    extend FunctionExporter

    def escape str
      "escaped_#{str}"
    end
  end

  module Foo
    Utils.export self, :escape

    def run
      p(escape('str')) #=> "escaped_str"
    end
  end

  # you can rename methods when argument is Hash.
  module Bar
    Utils.export self, :escape => :my_escape

    def run
      p(my_escape('str')) #=> "escaped_str"
    end
  end

  # or syntax suger.
  module Baz
    extend FunctionImporter
    import_function Utils, :escape

    def run
      p(escape('str')) #=> "escaped_str"
    end
  end

  # apply to class method.
  module Baz
    extend FunctionImporter
    import_module_function Utils, :escape

    def self.run
      p(escape('str')) #=> "escaped_str"
    end
  end

Descripotin

restrict importing methods and rename methods when include module.

SEE ALSO

+module-import+: I‘m not like this module interface. (For example, pollute Kernel#import ).

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