```scala scala> import scala.tools.nsc._ import scala.tools.nsc._ scala> def mkReifier(global: Global)(typer: global.analyzer.Typer) = typer mkReifier: (global: scala.tools.nsc.Global)(typer: global.analyzer.Typer)global.analyzer.Typer scala> class Reifier(global: Global)(typer: global.analyzer.Typer) { } <console>:10: error: not found: value global class Reifier(global: Global)(typer: global.analyzer.Typer) { } ^ ```