From 43fefd527e3ec424a6b1232aed63b50dd6a71342 Mon Sep 17 00:00:00 2001
From: Martin Odersky <odersky@gmail.com>
Date: Thu, 18 Dec 2014 16:21:19 +0100
Subject: New method on scopes: openForMutations

Replaces `asInstanceOf[MutableScope]` calls.
---
 src/dotty/tools/dotc/typer/Namer.scala | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'src/dotty/tools/dotc/typer/Namer.scala')

diff --git a/src/dotty/tools/dotc/typer/Namer.scala b/src/dotty/tools/dotc/typer/Namer.scala
index 91de8fe1e..ea2fd40de 100644
--- a/src/dotty/tools/dotc/typer/Namer.scala
+++ b/src/dotty/tools/dotc/typer/Namer.scala
@@ -27,7 +27,7 @@ trait NamerContextOps { this: Context =>
   def enter(sym: Symbol): Symbol = {
     ctx.owner match {
       case cls: ClassSymbol => cls.enter(sym)
-      case _ => this.scope.asInstanceOf[MutableScope].enter(sym)
+      case _ => this.scope.openForMutations.enter(sym)
     }
     sym
   }
@@ -37,7 +37,7 @@ trait NamerContextOps { this: Context =>
     if (owner.isClass)
       if (outer.owner == owner) { // inner class scope; check whether we are referring to self
         if (scope.size == 1) {
-          val elem = scope.asInstanceOf[MutableScope].lastEntry
+          val elem = scope.lastEntry
           if (elem.name == name) return elem.sym.denot // return self
         }
         assert(scope.size <= 1, scope)
@@ -306,7 +306,7 @@ class Namer { typer: Typer =>
     val localCtx: Context = ctx.fresh.setNewScope
     selfInfo match {
       case sym: Symbol if sym.exists && sym.name != nme.WILDCARD =>
-        localCtx.scope.asInstanceOf[MutableScope].enter(sym)
+        localCtx.scope.openForMutations.enter(sym)
       case _ =>
     }
     localCtx
-- 
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