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add possibility to use → in route pattern, in addition to -> #2109

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merged 2 commits into from
Sep 24, 2018
Merged

add possibility to use → in route pattern, in addition to -> #2109

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e6537b3
add possibility to use → in route pattern, in addition to ->
fsarradin Sep 24, 2018
3d58680
add scaladoc for →
fsarradin Sep 24, 2018
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14 changes: 14 additions & 0 deletions dsl/src/main/scala/org/http4s/dsl/Http4sDsl.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,20 @@ trait Http4sDsl[F[_]] extends Http4s with Methods with Statuses with Responses[F
val /: : impl./:.type = impl./:
val +& : impl.+&.type = impl.+&

/**
* Alias for `->`.
*
* Note: Due to infix operation precedence, `→` has a lower priority than `/`. So you have to use parentheses in
* pattern matching when using this operator.
*
* For example:
* {{{
* (request.method, Path(request.path)) match {
* case Method.GET → (Root / "test.json") => ...
* }}}
*/
val → : impl.->.type = impl.->

val IntVar: impl.IntVar.type = impl.IntVar
val LongVar: impl.LongVar.type = impl.LongVar
val UUIDVar: impl.UUIDVar.type = impl.UUIDVar
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8 changes: 8 additions & 0 deletions dsl/src/test/scala/org/http4s/dsl/PathSpec.scala
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Expand Up @@ -58,6 +58,14 @@ class PathSpec extends Http4sSpec {
}) must beTrue
}

"→ extractor /test.json" in {
val req = Request[IO](method = Method.GET, uri = uri("/test.json"))
(req match {
case GET → (Root / "test.json") => true
case _ => false
}) must beTrue
}

"request path info extractor for /" in {
val req = Request[IO](method = Method.GET, uri = uri("/"))
(req match {
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