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crabmusket
5 months ago
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Why Elixir? Common misconceptions
If you're trying to hot swap a function for a version with a different type signature, how was the new code going to run successfully anyway? Unless the type signature changes aren't reflecting the runtime behaviour changes?
Muromec
5 months ago
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It's a solved problem in gen server actually. Kinda. You migrate in-memory data and if something doesn't align, it restarts.
bsder
5 months ago
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You can have a tag so pattern matching can discriminate. You can have new function parameters. You can append to the end of a data structure.
All of these would nominally be considered a type signature failure.
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