Type in expressions to have them evaluated.
Type :help for more information.

scala> 

scala> class A
defined class A

scala> object A // warn
defined module A
warning: previously defined class A is not a companion to object A.
Companions must be defined together; you may wish to use :paste mode for this.

scala> trait B
defined trait B

scala> object B // warn
defined module B
warning: previously defined trait B is not a companion to object B.
Companions must be defined together; you may wish to use :paste mode for this.

scala> object C
defined module C

scala> object Bippy
defined module Bippy

scala> class C // warn
defined class C
warning: previously defined object C is not a companion to class C.
Companions must be defined together; you may wish to use :paste mode for this.

scala> class D
defined class D

scala> def D = 0 // no warn
D: Int

scala> val D = 0 // no warn
D: Int = 0

scala> object E
defined module E

scala> var E = 0 // no warn
E: Int = 0

scala> object F
defined module F

scala> type F = Int // no warn
defined type alias F

scala> :power
** Power User mode enabled - BEEP WHIR GYVE **
** :phase has been set to 'typer'.          **
** scala.tools.nsc._ has been imported      **
** global._, definitions._ also imported    **
** Try  :help, :vals, power.<tab>           **

scala> intp("F") // this now works as a result of changing .typeSymbol to .typeSymbolDirect in IMain#Request#definedSymbols
res0: $r.intp.global.Symbol = type F

scala> 

scala>