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package scala.reflect
package base
trait Scopes { self: Universe =>
type Scope >: Null <: ScopeBase
/** The base API that all scopes support */
trait ScopeBase extends Iterable[Symbol]
/** A tag that preserves the identity of the `Scope` abstract type from erasure.
* Can be used for pattern matching, instance tests, serialization and likes.
*/
implicit val ScopeTag: ClassTag[Scope]
type MemberScope >: Null <: Scope with MemberScopeBase
/** The base API that all member scopes support */
trait MemberScopeBase extends ScopeBase {
/** Sorts the symbols included in this scope so that:
* 1) Symbols appear the linearization order of their owners.
* 2) Symbols with the same owner appear in reverse order of their declarations.
* 3) Synthetic members (e.g. getters/setters for vals/vars) might appear in arbitrary order.
*/
def sorted: List[Symbol]
}
/** A tag that preserves the identity of the `MemberScope` abstract type from erasure.
* Can be used for pattern matching, instance tests, serialization and likes.
*/
implicit val MemberScopeTag: ClassTag[MemberScope]
/** Create a new scope */
def newScope: Scope
/** Create a new scope nested in another one with which it shares its elements */
def newNestedScope(outer: Scope): Scope
/** Create a new scope with given initial elements */
def newScopeWith(elems: Symbol*): Scope
}
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