Tianyu Geng
4d2e3a2379
This is the FIR fix of the FE change tracked by https://youtrack.jetbrains.com/issue/KT-45503 Consider the following code: ``` fun foo() { var l = mutableListOf("") l += "" } ``` The above code used to be considered invalid due to ambiguous `+=`. But after KT-45503, it's now considered valid code because `plus` is not really a valid option for this code. This is because the return type of `plus` for `List` is `List`, which does not match the type of variable `l`. As for now, FIR rejects the above code due to ambiguous `+=`. This change fixes that by also consider the return type when resolving `+=`.
32 lines
416 B
Kotlin
Vendored
32 lines
416 B
Kotlin
Vendored
// FIR_IDENTICAL
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// WITH_RUNTIME
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fun test1() {
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var list = ArrayList<Int>()
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list -= 2
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}
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fun test2() {
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var set = HashMap<Int, Int>()
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set += 2 to 2
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}
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fun test3() {
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var set = HashSet<Int>()
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set -= 2
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}
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fun test4() {
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var list = mutableListOf(1)
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list += 2
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}
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fun test5() {
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var map = mutableMapOf(1 to 1)
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map += 2 to 2
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}
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fun test6() {
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var set = mutableSetOf(1)
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set += 2
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} |