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fix: low priority implicits etc #2

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Merged
merged 1 commit into from
Oct 10, 2016
Merged

fix: low priority implicits etc #2

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15 changes: 8 additions & 7 deletions shared/src/main/scala/com/thoughtworks/Extractor.scala
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Original file line number Diff line number Diff line change
@@ -1,18 +1,18 @@
package com.thoughtworks

private[thoughtworks] sealed trait LowPrirorityExtractor {

private[thoughtworks] sealed trait LowPriorityExtractor {
sealed trait SeqExtractor[-A, +B] {
def unapplySeq(a: A): Option[Seq[B]]
}

implicit final class OptionFunctionToSeqExtractor[-A, +B] private[LowPrirorityExtractor](underlying: A => Option[Seq[B]]) {
implicit final class OptionFunctionToSeqExtractor[-A, +B] private[LowPriorityExtractor](underlying: A => Option[Seq[B]]) {
def extractSeq = new SeqExtractor[A, B] {
def unapplySeq(a: A) = underlying(a)
}
}

implicit final class OptionFunctionToExtractor[-A, +B] private[LowPrirorityExtractor](underlying: A => Option[B]) {
implicit final class OptionFunctionToExtractor[-A, +B] private[LowPriorityExtractor](underlying: A => Option[B]) {
def extract = new Extractor[A, B] {
def unapply(a: A) = underlying(a)
}
Expand All @@ -27,6 +27,7 @@ sealed trait Extractor[-A, +B] {
def unapply(a: A): Option[B]
}


/**
* Utilities to convert between `A => Option[B]`, `PartialFunction[A, B]` and [[Extractor]].
*
Expand Down Expand Up @@ -64,7 +65,7 @@ sealed trait Extractor[-A, +B] {
}}}
*
*/
object Extractor extends LowPrirorityExtractor {
object Extractor extends LowPriorityExtractor {

implicit final class PartialFunctionToSeqExtractor[-A, +B] private[Extractor](underlying: PartialFunction[A, Seq[B]]) {
def extractSeq = new SeqExtractor[A, B] {
Expand All @@ -84,4 +85,4 @@ object Extractor extends LowPrirorityExtractor {
}
}

}
}