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Implement RTTI and the CASE statement over types #12

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vtereshkov opened this issue Feb 28, 2020 · 0 comments
Open

Implement RTTI and the CASE statement over types #12

vtereshkov opened this issue Feb 28, 2020 · 0 comments
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enhancement New feature or request

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@vtereshkov
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Comparing to Go, the current implementation of interfaces in XD Pascal is limited, since it lacks 'type assertions' and 'type switches' (i.e., the case statement over types, in Pascal terms). This omission, for example, makes empty interfaces meaningless, while they are widely used in Go, even for implementing Println.

Type switches require run-time type information (RTTI).
@vtereshkov vtereshkov added the enhancement New feature or request label Feb 28, 2020
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