Shorten imports

Author: odersky

compiler/src/dotty/tools/dotc/cc/CheckCaptures.scala

@@ -18,14 +18,13 @@ import util.{SimpleIdentitySet, EqHashMap, EqHashSet, SrcPos, Property}
 import transform.{Recheck, PreRecheck, CapturedVars}
 import Recheck.*
 import scala.collection.mutable
-import CaptureSet.{withCaptureSetsExplained, IncludeFailure, ExistentialSubsumesFailure}
+import CaptureSet.{withCaptureSetsExplained, IncludeFailure, ExistentialSubsumesFailure, MutAdaptFailure}
 import CCState.*
 import StdNames.nme
 import NameKinds.{DefaultGetterName, WildcardParamName, UniqueNameKind}
 import reporting.{trace, Message, OverrideError}
 import Annotations.Annotation
 import Capabilities.*
-import dotty.tools.dotc.cc.CaptureSet.MutAdaptFailure
 import dotty.tools.dotc.util.common.alwaysTrue
 
 /** The capture checker */
@@ -2009,13 +2008,13 @@ class CheckCaptures extends Recheck, SymTransformer:
           else if isOfNestedMethod(env) then env.owner.owner
           else if env.owner.isStaticOwner then NoSymbol
           else boxedOwner(nextEnvToCharge(env, alwaysTrue))
-          
+
         def checkUseUnlessBoxed(c: Capability, croot: NamedType) =
           if !boxedOwner(env).isContainedIn(croot.symbol.owner) then
             checkUseDeclared(c, tree.srcPos)
-            
+
         def check(cs: CaptureSet): Unit = cs.elems.foreach(checkElem)
-        
+
         def checkElem(c: Capability): Unit =
           if !seen.contains(c) then
             seen += c
@@ -2033,11 +2032,11 @@ class CheckCaptures extends Recheck, SymTransformer:
               case c: FreshCap =>
                 check(c.hiddenSet)
               case _ =>
-              
+
         check(uses)
       end for
     end checkEscapingUses
-    
+
     /** Check that arguments of TypeApplys and AppliedTypes conform to their bounds.
      */
     def postCheck(unit: tpd.Tree)(using Context): Unit =