Category:Wren-trait: Difference between revisions

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It also contains the wrapper classes: ByRef, ByKey and Const. ByRef enables a value to be passed ''by reference'' to a method or function, ByKey enables a reference type object to be used as a Map key and Const represents a group of individually named read-only values.
It also contains the wrapper classes: ByRef, ByKey and Const. ByRef enables a value to be passed ''by reference'' to a method or function, ByKey enables a reference type object to be used as a Map key and Const represents a group of individually named read-only values.


It is the fifth in a series of modules (listed on the language's [https://rosettacode.org/wiki/Category:Wren main page]) designed to assist with writing Rosetta Code tasks so the same code does not have to be written or copy/pasted time and time again thereby bloating a task's script code unnecessarily. It is also small enough to be used by other modules in the series which are usually organized and written to avoid inter-dependencies.
It is the fifth in a series of modules (listed on the language's [[:Category:Wren|main page]]) designed to assist with writing Rosetta Code tasks so the same code does not have to be written or copy/pasted time and time again thereby bloating a task's script code unnecessarily. It is also small enough to be used by other modules in the series which are usually organized and written to avoid inter-dependencies.


To use it all you need to do is to copy the source code (in the [https://rosettacode.org/wiki/Category_talk:Wren-trait talk page]) to a text file called ''trait.wren'' and place this in the same directory as the importing script or module so the command line interpreter can find it.
To use it all you need to do is to copy the source code (in the [[:Category_talk:Wren-trait|talk page]]) to a text file called ''trait.wren'' and place this in the same directory as the importing script or module so the command line interpreter can find it.
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