Rethink constraints incorporation

Namely, remove incorporation “otherInsideMyConstraint” to eliminate
constraint system redundancy and produce a potentially very large number
 of constructs.
Instead, introduce not so “spreadable” incorporation during variable
fixation (equality constraint with result type into other constraints).
^KT-41644 Fixed
^KT-42195 Fixed
^KT-42920 Fixed
^KT-42791 Fixed
^KT-41741 Fixed
This commit is contained in:
Victor Petukhov
2020-11-19 12:39:57 +03:00
parent 616e40f879
commit 0857b9c9e7
24 changed files with 299 additions and 136 deletions
@@ -19,7 +19,7 @@ fun main() {
val x1: suspend (Int) -> Unit = takeSuspend(<!DEBUG_INFO_EXPRESSION_TYPE("suspend (kotlin.Int) -> kotlin.Unit")!>id { it }<!>, <!DEBUG_INFO_EXPRESSION_TYPE("suspend (kotlin.Int) -> kotlin.Unit")!>{ x -> x }<!>)
// Here, the error should be
val x2: (Int) -> Unit = <!TYPE_MISMATCH!>takeSuspend(<!DEBUG_INFO_EXPRESSION_TYPE("suspend (kotlin.Int) -> kotlin.Unit")!>id <!TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH!>{ it }<!><!>, <!DEBUG_INFO_EXPRESSION_TYPE("suspend (kotlin.Int) -> kotlin.Unit"), TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH!>{ x -> x }<!>)<!>
val x3: suspend (Int) -> Unit = takeSimpleFunction(<!DEBUG_INFO_EXPRESSION_TYPE("suspend (kotlin.Int) -> kotlin.Unit")!>id <!TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH!>{ it }<!><!>, <!DEBUG_INFO_EXPRESSION_TYPE("suspend (kotlin.Int) -> kotlin.Unit"), TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH!>{ x -> x }<!>)
val x4: (Int) -> Unit = <!TYPE_MISMATCH, TYPE_MISMATCH!>takeSimpleFunction(<!TYPE_MISMATCH!>id<suspend (Int) -> Unit> {}<!>, <!DEBUG_INFO_EXPRESSION_TYPE("suspend (kotlin.Int) -> kotlin.Unit"), TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH!>{}<!>)<!>
val x2: (Int) -> Unit = <!TYPE_MISMATCH!>takeSuspend(<!DEBUG_INFO_EXPRESSION_TYPE("suspend (kotlin.Int) -> kotlin.Unit")!>id <!TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH!>{ it }<!><!>, <!DEBUG_INFO_EXPRESSION_TYPE("suspend (kotlin.Int) -> kotlin.Unit"), TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH!>{ x -> x }<!>)<!>
val x3: suspend (Int) -> Unit = takeSimpleFunction(<!DEBUG_INFO_EXPRESSION_TYPE("suspend (kotlin.Int) -> kotlin.Unit")!>id <!TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH!>{ it }<!><!>, <!DEBUG_INFO_EXPRESSION_TYPE("suspend (kotlin.Int) -> kotlin.Unit"), TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH!>{ x -> x }<!>)
val x4: (Int) -> Unit = <!TYPE_MISMATCH, TYPE_MISMATCH!>takeSimpleFunction(<!TYPE_MISMATCH!>id<suspend (Int) -> Unit> {}<!>, <!DEBUG_INFO_EXPRESSION_TYPE("suspend (kotlin.Int) -> kotlin.Unit"), TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH!>{}<!>)<!>
}