leftibot 2c80c2a55a Fix #63: Derive eval_error from std::nested_exception and wrap thrown exceptions ... eval_error now inherits from both std::runtime_error and std::nested_exception, enabling users to access the original exception via rethrow_nested() or nested_ptr(). The engine's eval() method wraps uncaught Boxed_Value exceptions in eval_error, nesting the original Boxed_Value so it can be recovered. exception_specification continues to work for typed exception unboxing. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>		2026-04-13 19:02:32 -06:00
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chaiscript	Fix #63: Derive eval_error from std::nested_exception and wrap thrown exceptions	2026-04-13 19:02:32 -06:00