Jensen's Device: Difference between revisions
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=={{header|Wren}}== |
=={{header|Wren}}== |
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As Wren doesn't support call by name, call by reference nor pointers we need to 'box' the global numeric variable 'i' and use a function for 'term' to simulate Jensen's device. This works because all user defined types are reference types and functions can capture external variables. |
As Wren doesn't support call by name, call by reference nor pointers we need to 'box' the global numeric variable 'i' and use a function for 'term' to simulate Jensen's device. This works because all user defined types are reference types and functions can capture external variables. |
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<syntaxhighlight lang=" |
<syntaxhighlight lang="wren">class Box { |
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construct new(v) { _v = v } |
construct new(v) { _v = v } |
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v { _v } |
v { _v } |
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5.1873775176396 |
5.1873775176396 |
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</pre> |
</pre> |
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=={{header|Yabasic}}== |
=={{header|Yabasic}}== |
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