Migrate typeck's `used` expected symbol diagnostic to `SessionDiagnostic` r? ``@davidtwco``
For high-level intro to how type checking works in rustc, see the type checking chapter of the rustc dev guide.
Migrate typeck's `used` expected symbol diagnostic to `SessionDiagnostic` r? ``@davidtwco``
For high-level intro to how type checking works in rustc, see the type checking chapter of the rustc dev guide.