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package scala
package reflect
package api
/**
* <span class="badge badge-red" style="float: right;">EXPERIMENTAL</span>
*
* This trait defines the concept of positions and operations on them.
*
* @see [[scala.reflect.api.Position]]
*
* @contentDiagram hideNodes "*Api"
* @group ReflectionAPI
*/
trait Positions {
self: Universe =>
/** Defines a universe-specific notion of positions.
* The main documentation entry about positions is located at [[scala.reflect.api.Position]].
* @group Positions
*/
type Position >: Null <: scala.reflect.api.Position { type Pos = Position }
/** A special "missing" position.
* @group Positions
*/
val NoPosition: Position
/** Assigns a given position to all position-less nodes of a given AST.
* @group Positions
*/
def atPos[T <: Tree](pos: Position)(tree: T): T
/** A position that wraps a set of trees.
* The point of the wrapping position is the point of the default position.
* If some of the trees are ranges, returns a range position enclosing all ranges
* Otherwise returns default position.
* @group Positions
*/
def wrappingPos(default: Position, trees: List[Tree]): Position
/** A position that wraps the non-empty set of trees.
* The point of the wrapping position is the point of the first trees' position.
* If all some the trees are non-synthetic, returns a range position enclosing the non-synthetic trees
* Otherwise returns a synthetic offset position to point.
* @group Positions
*/
def wrappingPos(trees: List[Tree]): Position
}
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