refactor/

Package eg implements the example-based refactoring tool whose command-line is defined in code.google.com/p/go.tools/cmd/eg.

Package importgraph computes the forward and reverse import dependency graphs for all packages in a Go workspace.

Package lexical computes the structure of the lexical environment, including the definition of and references to all universal, package-level, file-level and function-local entities.

Package satisfy inspects the type-checked ASTs of Go packages and reports the set of discovered type constraints of the form (lhs, rhs Type) where lhs is a non-trivial interface, rhs satisfies this interface, and this fact is necessary for the package to be well-typed.