Ilya Kirillov
36 lines
640 B
Kotlin
Vendored
36 lines
640 B
Kotlin
Vendored
interface A {
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fun foo()
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}
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interface B : A {
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fun bar()
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}
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interface C
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interface D : A
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fun test(a: A?) {
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if (a != null && a is B?) {
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<info descr="Smart cast to B">a</info>.bar()
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}
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if (a is B && a is C) {
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<info descr="Smart cast to B">a</info>.foo()
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}
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if (a is B? && a is C?) {
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<info descr="Smart cast to B?">a</info><info>?.</info>bar()
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}
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a<info>?.</info>foo()
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if (a is B? && a is C?) {
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a<info>?.</info>foo()
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}
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if (a is B && a is D) {
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//when it's resolved, the message should be 'Smart cast to A'
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<info>a</info>.<error>foo</error>
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}
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}
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