Wrapping View Controllers in Signals
Part 6
Signals aren't just only great for handling model state - you can use them as well to plan your applications' flow.
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Signals aren't just only great for handling model state - you can use them as well to plan your applications' flow.
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Multithreading can be hard - let's make it a bit easier by using signals.
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We've already seen how to handle a chain of failable, synchronous function
calls. Next up we explore the missing piece: Async callbacks.
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Let's put all the previous stuff together to achieve our goal: Chaining
synchronous transforms with error handling unix style.
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If you ask a developer what a program is he is likely to respond: A sequence of commands. Value oriented programming takes a step back and lays the focus on something different: The content of your application instead of the actual commands.
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Handling errors is something most developers try to avoid. But error handling got way more important on mobile devices where the user constantly switches apps, the network connection drops in the middle of a transfer or the application is terminated by memory pressure.
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