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doc: meta

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skypjack
2025-11-03 08:30:04 +01:00
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docs/md/meta.md
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@@ -258,6 +258,9 @@ Meta data members and functions are accessed by means of their identifiers:
addition, a meta function object is used to invoke the underlying function and
then get the return value in the form of a `meta_any` object.
Both functions search for the elements throughout the meta type hierarchy.
However, they offer the option of passing a second boolean argument to stop the
search at the top-level meta type.<br/>
All the meta objects thus obtained as well as the meta types explicitly convert
to a boolean value to check for validity: