```
fun foo(): Option<Int> = Option.fx { ......
# arrowr
raulraja
05/07/2019, 12:07 PM Copy code
fun foo(): Option<Int> = Option.fx { ... } // concrete
fun Concurrent<F>.program() = fx.concurrent { .. } // polymorphic over all F2 Views
raulraja
05/07/2019, 12:07 PMfun foo(): Option<Int> = Option.fx { ... } // concrete
fun Concurrent<F>.program() = fx.concurrent { .. } // polymorphic over all F