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Type in expressions to have them evaluated.
Type :help for more information.
scala>
scala> scala> 123
res0: Int = 123
scala> 567
res1: Int = 567
scala> res0 + res1
res2: Int = 690
scala> val x = dingus
<console>:7: error: not found: value dingus
val x = dingus
^
scala> val x = "dingus"
x: java.lang.String = dingus
scala> x.length
res3: Int = 6
scala> x.length + res3
res4: Int = 12
// Replaying 7 commands from transcript.
val res0 = { 123 }
res0: Int = 123
val res1 = { 567 }
res1: Int = 567
val res2 = { res0 + res1 }
res2: Int = 690
val x = dingus
<console>:7: error: not found: value dingus
val x = dingus
^
val x = "dingus"
x: java.lang.String = dingus
val res3 = { x.length }
res3: Int = 6
val res4 = { x.length + res3 }
res4: Int = 12
scala>
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