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NI: introduce warning about implicitly inferred Nothing with existing non-Nothing expected type

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^KT-35406 Fixed
This commit is contained in:
Victor Petukhov
2020-02-13 16:09:50 +03:00
parent e3184e407d
commit 51edf2b351
18 changed files with 414 additions and 42 deletions
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compiler/testData/diagnostics/tests/inference/completion/lambdaWithVariableAndNothing.kt
Vendored
+2 -2
View File
@@ -13,7 +13,7 @@ fun <E4, F : E4> noSmartCast4(arg: E4?, fn: F): E4 = TODO()
fun testSmartCast(s: String?) {
id(
if (s != null) ""
else <!IMPLICIT_NOTHING_AS_TYPE_PARAMETER!>smartCast<!>(null) { "" }
else <!IMPLICIT_NOTHING_TYPE_ARGUMENT_IN_RETURN_POSITION!>smartCast<!>(null) { "" }
)
<!DEBUG_INFO_SMARTCAST!>s<!>.length
}
@@ -46,7 +46,7 @@ fun testNoSmartCast3(s: String?) {
fun testNoSmartCast4(s: String?) {
id(
if (s != null) ( {""} )
else <!IMPLICIT_NOTHING_AS_TYPE_PARAMETER, IMPLICIT_NOTHING_AS_TYPE_PARAMETER!>noSmartCast4<!>(null) <!TYPE_MISMATCH!>{ <!TYPE_MISMATCH!>""<!> }<!>
else <!IMPLICIT_NOTHING_TYPE_ARGUMENT_IN_RETURN_POSITION!>noSmartCast4<!>(null) <!TYPE_MISMATCH!>{ <!TYPE_MISMATCH!>""<!> }<!>
)
s<!UNSAFE_CALL!>.<!>length
}
compiler/testData/diagnostics/tests/inference/completion/nothingFromNestedCall.kt
Vendored
+1 -1
View File
@@ -9,5 +9,5 @@ fun <K> invOut(y: K?): Inv<Out<K>> = TODO()
fun <R> test(x: Inv<Out<R>>): R = TODO()
fun testNothing() {
<!IMPLICIT_NOTHING_AS_TYPE_PARAMETER!>test<!>(invOut(null)) checkType { _<Nothing>() }
<!IMPLICIT_NOTHING_TYPE_ARGUMENT_IN_RETURN_POSITION!>test<!>(invOut(null)) checkType { _<Nothing>() }
}