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

[William Jon Shipley]

> On Jun 24, 2016, at 3:00 PM, Haravikk via swift-evolution <swift-evolution at swift.org> wrote:
> 	 for colinearSegment in remainingSegments where colinearSegment.angle.isEssentially(angle: segment.angle) { // Is parameter name even necessary?

My terminology sucks because I don’t remember math terms but basically I’m trying to distinguish between angles of rays (0..<360º) and angles of lines (0..<180º). Because, like, if you have a line at 45º and another at 225º, well, they’re either collinear or parallel.

So I call the variants “rayAngle:” and “infiniteLineAngle:”. Not my finest hour.

-W
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