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(x1 == x2) && (str1 == str2)</lang> |
(x1 == x2) && (str1 == str2)</lang> |
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And now I can, for example, use the function "func" on two arguments of type Foo. |
And now I can, for example, use the function "func" on two arguments of type Foo. |
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=={{header|Icon and Unicon}}== |
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==={{header|Icon}}=== |
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Icon is not object-oriented. |
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==={{header|Unicon}}=== |
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Unicon does not distinguish between abstract and concrete classes. |
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However, programmers may detect unimplemented methods using the same approach |
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as with other, similar languages. |
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<lang unicon>class abstraction() |
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method compare(l,r) |
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runerr(1038, "method compare in class abstraction") |
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end |
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end</lang> |
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=={{header|J}}== |
=={{header|J}}== |
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