Send an unknown method call: Difference between revisions
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foo(5) = 47 |
foo(5) = 47 |
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</pre> |
</pre> |
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=={{header|Factor}}== |
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Factor's object model is such that objects themselves don't contain methods — generic words do. So there is nothing different about invoking an unknown method than invoking an unknown word in general. |
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<lang factor>USING: accessors kernel math prettyprint sequences words ; |
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IN: rosetta-code.unknown-method-call |
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TUPLE: foo num ; |
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C: <foo> foo |
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GENERIC: add5 ( x -- y ) |
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M: foo add5 num>> 5 + ; |
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42 <foo> ! construct a foo |
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"add" "5" append ! construct a word name |
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! must specify vocab to look up a word |
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"rosetta-code.unknown-method-call" |
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lookup-word execute . ! 47</lang> |
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=={{header|Forth}}== |
=={{header|Forth}}== |
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