Constrained genericity: Difference between revisions
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(→{{header|TXR}}: Solution using define-struct-clause.) |
m (→{{header|Wren}}: Changed to Wren S/H) |
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=={{header|Wren}}== |
=={{header|Wren}}== |
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Wren is dynamically typed and so any constraint on class instantiation can only be checked at run time. |
Wren is dynamically typed and so any constraint on class instantiation can only be checked at run time. |
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<syntaxhighlight lang=" |
<syntaxhighlight lang="wren">// abstract class |
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class Eatable { |
class Eatable { |
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eat() { /* override in child class */ } |
eat() { /* override in child class */ } |
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