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Tags
#odersky-programming-in-scala-2ed #scala
Question
How to fix this compilation error?
scala> val f = _ + _
<console>:4: error: missing parameter type for expanded
function ((x$1, x$2) => x$1.$plus(x$2))
   val f = _ + _
Answer
Add types, e.g.:

val f = (_: Int) + (_: Int)

Tags
#odersky-programming-in-scala-2ed #scala
Question
How to fix this compilation error?
scala> val f = _ + _
<console>:4: error: missing parameter type for expanded
function ((x$1, x$2) => x$1.$plus(x$2))
   val f = _ + _
Answer
?

Tags
#odersky-programming-in-scala-2ed #scala
Question
How to fix this compilation error?
scala> val f = _ + _
<console>:4: error: missing parameter type for expanded
function ((x$1, x$2) => x$1.$plus(x$2))
   val f = _ + _
Answer
Add types, e.g.:

val f = (_: Int) + (_: Int)
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Summary

statusnot learnedmeasured difficulty37% [default]last interval [days]               
repetition number in this series0memorised on               scheduled repetition               
scheduled repetition interval               last repetition or drill

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