Function begin

include/boost/stacktrace/stacktrace.hpp:266–266

@b Complexity: O(1) @b Async-Handler-Safety: \asyncsafe.

    ///
    /// @b Async-Handler-Safety: \asyncsafe.
    const_iterator begin() const noexcept { return impl_.begin(); }
    /// @b Complexity: O(1)
    ///
    /// @b Async-Handler-Safety: \asyncsafe.