rescript-lang / rescript-lang/rescript
Optimize option chaining
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@cknitt is already working on this.
Since Dec 4, 2025.
enhancement
- Dominant language
- OCaml
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Description
There is currently a performance penalty due to the extra function call when using Option.map/flatMap/forEach instead of a switch statement.
The compiler could optimize/inline these calls. (Same for Null/Nullable actually, but less important IMHO as Option is more widely used.)
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