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doc:beginner:package_for_turtlesim [2015/04/28 15:34] – [Creating the Lisp Package] gkazhoyadoc:beginner:package_for_turtlesim [2015/04/28 15:35] – [Creating the Lisp Package] gkazhoya
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 ==== Creating the Lisp Package ==== ==== Creating the Lisp Package ====
  
-Lisp packages are the equivalent to C++ namespaces or Python modules. Lisp packages cannot be hierarchic. We can define which other packages should be used, i.e. which symbols should be accessible without a package prefix. Further, we can define which symbols should be exported from the package.+Lisp packages are the equivalent to C++ namespaces or Python modules. Lisp packages cannot be hierarchical. Through Lisp packages we can define which other packages should be used, i.e. which symbols should be accessible without a package prefix. Further, we can define which symbols should be exported from the package.
  
 Create a sub-directory ''src'' in your package. Then create the file ''package.lisp'' and put the following code into it: Create a sub-directory ''src'' in your package. Then create the file ''package.lisp'' and put the following code into it:
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 </code>   </code>  
      
-We define a package with the name ''cram-beginner-tutorial''. Packages in Common Lisp can have an arbitrary number of nicknames. In our case we nickname ''cram-beginner-tutorial'' as ''tut''. Finally, we define that the package uses another package ''cpl'' which is a nickname of the package  ''Cram-language'' in the stack ''cram_core''. +We define a package with the name ''cram-beginner-tutorial''. Packages in Common Lisp can have an arbitrary number of nicknames. In our case we nickname ''cram-beginner-tutorial'' as ''tut''. Finally, we define that the package uses another package ''cpl'' which is a nickname of the package  ''cram-language'' from the metapackage ''cram_core''. 
  
 ==== Exporting the ASDF system to ROS ==== ==== Exporting the ASDF system to ROS ====