kcenon::common::concepts::ValueOrError Concept Reference

A type that holds either a value or error information. More...

#include <core.h>

Concept definition

template<typename T>
concept kcenon::common::concepts::ValueOrError =  Resultable<T> && requires(const T t) {
    { t.value() };
    { t.error() };
}

Detailed Description

A type that holds either a value or error information.

Types satisfying this concept can report their state and provide access to either the contained value or error details.

Example usage:

template<ValueOrError V>
void handle(const V& result) {
    if (result.is_ok()) {
        auto& val = result.value();
        // Process value
    } else {
        auto& err = result.error();
        // Handle error
    }
}

Definition at line 214 of file core.h.