Rapidly iterating on many UI classes. A sigh of relief when it's an Obj-C file, a cringe when a Swift file: 5 sec vs. 2 min iteration time.
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Change one line, Cmd+R.
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Straight compilation time. I've got no problem writing Swift lickety-split.
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Its compiler is very slow and does not support incremental compilation.
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any easy way to prototype the UI classes in a playground?
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Sometimes.
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Can I interest you in Objective-Smalltalk? Cycle time after edit <100ms youtube.com/watch?v=sypkOh youtube.com/watch?v=ArcClq
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