message: capi: Add a not about exceptions thrown from host functions
diff: @@ -54,6 +54,10 @@ typedef struct FizzyExecutionResult
  /// @param args Pointer to the argument array. Can be NULL iff function has no inputs.
  /// @param depth Call stack depth.
  /// @return Result of execution.
  +///
  +/// @note
  +/// External functions implemented in C++ must be non-throwing, i.e. the effect of any exception
  +/// escaping the function is std::terminate being called.
  typedef FizzyExecutionResult (*FizzyExternalFn)(
  void* context, FizzyInstance* instance, const FizzyValue* args, int depth);
  