Aria 3.2.6
C++23 MVVM framework — reactive, coroutine-first, ABI-layered
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aria::ReadOnlyReactiveOptional Concept Reference

A ReadOnlyReactive whose value_type is some std::optional<U> — the shape of AsyncCommand::last_result, and the constraint for BindingEngine::bind_optional_text. More...

#include <concepts.hpp>

Concept definition

template<typename S>
concept ReadOnlyReactiveOptional = ReadOnlyReactive<S>
&& detail::is_optional_v<typename S::value_type>
aria::ReadOnlyReactive
A reactive cell that can be read and observed, but not written: exactly the surface a one-way (VM→Vie...
Definition concepts.hpp:88
aria::ReadOnlyReactiveOptional
A ReadOnlyReactive whose value_type is some std::optional<U> — the shape of AsyncCommand::last_result...
Definition concepts.hpp:118

Detailed Description

A ReadOnlyReactive whose value_type is some std::optional<U> — the shape of AsyncCommand::last_result, and the constraint for BindingEngine::bind_optional_text.