is a symbolic representation of a preprocessor error directive.
更多信息和选项更多信息SymbolicC expressions are inert; they evaluate to themselves, staying in an unevaluated form.SymbolicC expressions can be converted into a C string with ToCCodeString.
To use SymbolicC you first need to load the package:
This creates an error preprocessor directive:
This creates an error preprocessor directive with a comment: