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Add missing QuoteContext #6807

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Merged
merged 1 commit into from
Jul 4, 2019
Merged

Add missing QuoteContext #6807

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6 changes: 3 additions & 3 deletions sbt-dotty/sbt-test/sbt-dotty/quoted-example-project/src/main/scala/hello/Hello.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -30,17 +30,17 @@ object Main {
assert(Math.pow(3, 4) == toTheFourth(3))
}

def stagedPower(n: Int): Double => Double = {
def stagedPower(n: Int): Double => Double = run {
// Code representing the labmda where the recursion is unrolled based on the value of n
val code = '{ (x: Double) => ${powerCode(n, '{x})}}

code.show

// Evaluate the contents of the code and return it's value
code.run
code
}

def powerCode(n: Int, x: Expr[Double]): Expr[Double] =
def powerCode(n: Int, x: Expr[Double]) given QuoteContext: Expr[Double] =
if (n == 0) '{1.0}
else if (n == 1) x
else if (n < 0) throw new Exception("Negative powers not implemented. Left as a small exercise. Dont be shy, try it out.")
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