[swift-evolution] SE-0105: Removing Where Clauses from For-In Loops

[William Shipley]

Here are some of my real-world examples:

        for modelUUIDAndInterfaceElement in modelUUIDsToInterfaceElements where !usedInterfaceElements.contains(modelUUIDAndInterfaceElement.1) {
…
        }

        for anchor in wall.anchors where boundsRect.contains(anchor.origin) {
…
        }

        for otherWall: Wall in self where otherWall != wall && !removedWalls.contains(otherWall) {
…
        }

        for wall in self as Set<Wall> {
            for otherWall in self as Set<Wall> where otherWall != wall {
…
            }
        }

        for wall in self as Set<Wall> where !checkedWalls.contains(wall) {
…
        } 

(x2 on that one)

        for otherPieceOfFurnitureNode in localFurnitureModelUUIDsToInterfaceElements!.values where otherPieceOfFurnitureNode !== pieceOfFurnitureNode {
…
        }

        for lineSegmentObject in wallRelatedLineSegments where remainingLineSegments.contains(lineSegmentObject) {
…
        }

        for colinearLineSegmentObject in remainingLineSegments where colinearLineSegmentObject.angle.isEssentially(infiniteLineAngle: lineSegmentObject.angle) {
…
        }


I think this is basically as many as are found on all of github?

-W
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