mrdocs::isa

Return true if the polymorphic object holds a value of type To.

Synopsis

Declared in <mrdocs/ADT/Polymorphic.hpp>

template<
    class To,
    class From>
requires ( std::derived_from<std::remove_cvref_t<To>, std::remove_cvref_t<From>> )
[[nodiscard]]
bool
isa(Polymorphic<From> const& p) noexcept;

Return Value

true if the polymorphic object holds a value of type To.

The return value should not be discarded.

Parameters

Name

Description

A polymorphic value‐type.

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