is a symbolic representation of access from a struct.
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 extracts an element from a struct:
Here a cast is used to move the object to the correct type: