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