bail on RefinedLT and equalValidateInference

Author: erikerlandson

modules/core/shared/src/main/scala/eu/timepit/refined/api/RefinedLT.scala

@@ -1,16 +1,14 @@
 package eu.timepit.refined
 
-import eu.timepit.refined.api.{Inference, RefinedLT, Validate}
-import eu.timepit.refined.api.Inference.==>
-import eu.timepit.refined.generic._
+import eu.timepit.refined.api.Validate
 import eu.timepit.refined.internal.WitnessAs
 import shapeless._
 import shapeless.ops.coproduct.ToHList
 import shapeless.ops.hlist.ToList
 import shapeless.ops.record.Keys
 
 /** Module for generic predicates. */
-object generic extends GenericInference {
+object generic {
 
   /** Predicate that checks if a value is equal to `U`. */
   final case class Equal[U](u: U)
@@ -101,11 +99,3 @@ object generic extends GenericInference {
       Validate.alwaysPassed(Supertype())
   }
 }
-
-private[refined] trait GenericInference {
-  implicit def equalValidateInference[U, P](
-      implicit
-      tvp: RefinedLT[U, P]
-  ): Equal[U] ==> P =
-    Inference(s"equalValidateInference(${tvp.expr})")
-}

modules/core/shared/src/main/scala/eu/timepit/refined/generic.scala

@@ -1,9 +1,9 @@
 package eu.timepit.refined.macros
 
-import eu.timepit.refined.api.{RefinedLT, RefType, Validate}
+import eu.timepit.refined.api.{RefType, Validate}
 import eu.timepit.refined.char.{Digit, Letter, LowerCase, UpperCase, Whitespace}
 import eu.timepit.refined.collection.NonEmpty
-import eu.timepit.refined.internal.{Resources, WitnessAs}
+import eu.timepit.refined.internal.Resources
 import eu.timepit.refined.numeric.{Negative, NonNegative, NonPositive, Positive}
 import scala.reflect.macros.blackbox
 
@@ -38,27 +38,6 @@ class RefineMacro(val c: blackbox.Context) extends MacroUtils with LiteralMatche
   ): c.Expr[FTP] =
     c.Expr[FTP](impl(t)(rt, v).tree)
 
-  def implRefLT[L: c.WeakTypeTag, T: c.WeakTypeTag, P: c.WeakTypeTag](
-      w: c.Expr[WitnessAs[L, T]],
-      v: c.Expr[Validate[T, P]]
-  ): c.Expr[RefinedLT[L, P]] = {
-    // doing eval(v) before eval(w) is important for... reasons.
-    val validate = eval(v)
-    val litval = w.tree match {
-      case q"$_.WitnessAs.natWitnessAs[..$_]($_, new $_.Inst[..$_]($lv).asInstanceOf[..$_], $_)" => {
-        // trying to eval the Nat witness directly confuses the typer, it is
-        // tripping on some type recursion involving _5 and Succ[_4] in same expression
-        eval(c.Expr[T](lv))
-      }
-      case _ => eval(w).snd
-    }
-    val res = validate.validate(litval)
-    if (res.isFailed) {
-      abort(validate.showResult(litval, res))
-    }
-    RefinedLT.manifest[L, T, P](c)(w, v)
-  }
-
   private def validateInstance[T, P](v: c.Expr[Validate[T, P]])(
       implicit
       T: c.WeakTypeTag[T],

modules/core/shared/src/main/scala/eu/timepit/refined/macros/RefineMacro.scala

@@ -13,7 +13,7 @@ import shapeless.test.illTyped
 class AutoSpec extends Properties("auto") {
   property("autoInfer") = secure {
     val a: Char Refined Equal[W.`'0'`.T] = '0'
-    val b: Char Refined Digit = a
+    val b: Char Refined Digit = '0'
     illTyped(
       "val c: Char Refined Letter = a",
       """type mismatch.*"""

modules/core/shared/src/test/scala/eu/timepit/refined/AutoSpec.scala

@@ -13,10 +13,11 @@ import shapeless.test.illTyped
 class CollectionInferenceSpec extends Properties("CollectionInference") {
   import shim.Inference
 
+/*
   property("Exists[A] ==> Exists[B]") = secure {
     Inference[Contains[W.`'5'`.T], Exists[Digit]].isValid
   }
-
+*/
   property("Exists ==> NonEmpty") = secure {
     Inference[Exists[Digit], NonEmpty].isValid
   }