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make reflection analysis cover kotlin coroutines usage #1432
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Interesting proposal that could maybe fix #769 more easily than originally expected, could you please update webflux-kotlin to remove those manual hints and see if that works? Also could you please update the PR to perform this type inferience only when this type is a |
sdeleuze
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Merged with additional refinements via #769, thanks a lot for this great PR! |
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If a controller method is kotlin coroutine suspend fun, it's return type will be
Continuation<? super Bar>In this situation,
returnType.getActualTypeArguments()[0]will be? super Bar, it's a WildcardType, and lower bounds is the exact return typeBar.So we need to dig out the type
Barfrom the original wrapped Continuation type.If just skip the WildcardType, suspend fun will be considered as a method which return Object.
Adding a lot of @typehint is very bad for migrating old projects to spring native, I want to analyze directly in spring aot to get the actual return value of suspend fun.