I really wish CGPathApplyWithBlock were documented, because it can save an awful lot of boilerplate, and leads to better-factored and more readable code.
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What is this function of which you speak?
It’s like CGPathApply, but instead of taking a context and function pointer, it takes a block or closure, allowing you to enumerate the elements of a path (moveTo, lineTo, quadCurveTo, close) at the call site.
