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Senior iOS engineer with 10+ years of experience building and scaling Swift and…
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Same code. Different execution. Without .lazy, .map transforms the entire array before .first even runs. With .lazy, each element flows through the…
Same code. Different execution. Without .lazy, .map transforms the entire array before .first even runs. With .lazy, each element flows through the…
Shared by Alex K.
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Same value. Different meaning. Types can enforce that. Phantom types let you encode meaning at compile time without storing anything. No runtime…
Same value. Different meaning. Types can enforce that. Phantom types let you encode meaning at compile time without storing anything. No runtime…
Shared by Alex K.
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Optionals in Swift are not just values or nil. They are containers. That means you can transform them without if let. No branching. No…
Optionals in Swift are not just values or nil. They are containers. That means you can transform them without if let. No branching. No…
Shared by Alex K.
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