defmatchesTargetName(other:Name)=

name== other|| name.isEmpty|| other.isEmpty

name.isEmpty|| other.isEmpty

|| name.isTermName== other.isTermName&& name.toSimpleName== other.toSimpleName

valfirst= name.firstPart

defcheckNoDoubleDeclaration(cls:Symbol)(usingContext):Unit=

valseen=new mutable.HashMap[Name,List[Symbol]].withDefaultValue(Nil)

valseen=new mutable.HashMap[String,List[Symbol]].withDefaultValue(Nil)

typr.println(i"check no double declarations$cls")

defcheckDecl(decl:Symbol):Unit=

for other<- seen(decl.name)if decl.name!= nme.ERROR&&!decl.isAbsent()&&!other.isAbsent()do

valkey= decl.name.toString

for other<- seen(key)if decl.name!= nme.ERROR&&!decl.isAbsent()&&!other.isAbsent()do

typr.println(i"conflict?$decl$other")

decl.is(JavaDefined)&& other.is(JavaDefined)&&

report.error(em"two or more overloaded variants of$decl have default arguments", decl.srcPos)

decl.resetFlag(HasDefaultParams)

if!excludeFromDoubleDeclCheck(decl)then

seen(decl.name)= decl:: seen(decl.name)

seen(key)::=decl

cls.info.decls.foreach(checkDecl)

cls.infomatch

importannotation.*

caseclassStaticBinding(v:String) {

privatedefcopy$default$1():String=???// error

}

caseclassDynamicBinding(v:String):

@targetName("copy$default$1")

privatedefdynamo():String=???// TODO

@maindefDemo=

valb=StaticBinding("test")

println(b)