Coder is for manipulating the static code. It's both standalone and integrated in the Inspector.
Coder on an example method in a class. An internal call is expanded in place. The overall example can also be evaluated and inspected in place.
Coder on the class that defines the dependencies from Glamorous Toolkit itself. A dependency string can be expanded in place to reveal the dependency definition.
The results of a code query shown highlighted in a Coder interface.