Dmitriy Novozhilov
40 lines
1.0 KiB
Kotlin
Vendored
40 lines
1.0 KiB
Kotlin
Vendored
// !WITH_NEW_INFERENCE
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@Target(AnnotationTarget.FUNCTION)
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annotation class FunAnn
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@Target(AnnotationTarget.FUNCTION)
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@Retention(AnnotationRetention.SOURCE)
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annotation class SourceAnn
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@Target(AnnotationTarget.EXPRESSION)
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@Retention(AnnotationRetention.SOURCE)
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annotation class ExprAnn
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fun bar(arg: () -> Int) = arg()
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inline fun fast(arg: () -> Int) = arg()
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inline fun fast2(x: Int, arg: () -> Int) = x + arg()
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@FunAnn fun gav() = 13
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fun foo(arg: Int) {
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// Literal is annotatable
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bar @FunAnn { arg }
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// Annotatable in principle but useless, fast is inline
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fast @FunAnn { arg }
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fast2(1, @FunAnn { arg })
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// Source annotation, ok
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fast @SourceAnn { arg }
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fast2(1, @SourceAnn { arg })
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// Expression annotation, ok
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fast @ExprAnn { arg }
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fast2(1, @ExprAnn { arg })
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// Function expression too
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val f = @FunAnn fun(): Int { return 42 }
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// But here, f and gav should be annotated instead
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bar(@FunAnn f)
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bar(@FunAnn ::gav)
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// Function expression, ok
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fast(f)
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} |