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[NI] Handle vararg parameter in reflection type wrt array types

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Vararg parameter in reflection type is interpreted as covariant
array type against array in expected functional type and as
vararg element type otherwise. For instance having function
fun foo(vararg args: Int): Unit { /*...*/ }
reference ::foo can be passed against expected
(Int) -> Unit,
(Int, Int) -> Unit, etc.
In none of such cases type for parameter in foo's reflection type
should be changed to array.
However, against expected type (IntArray) -> Unit args' type
must become IntArray.

^KT-25514 Fixed
This commit is contained in:
Pavel Kirpichenkov
2019-11-19 19:14:45 +03:00
parent aba5ff0c1e
commit f80a71517f
13 changed files with 173 additions and 8 deletions
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compiler/testData/diagnostics/tests/varargs/varargViewedAsArray.txt
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+14
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package
public fun intVararg(/*0*/ vararg args: kotlin.Int /*kotlin.IntArray*/): kotlin.Unit
public fun numberVararg(/*0*/ vararg args: kotlin.Number /*kotlin.Array<out kotlin.Number>*/): kotlin.Unit
public fun stringVararg(/*0*/ vararg args: kotlin.String /*kotlin.Array<out kotlin.String>*/): kotlin.Unit
public fun test(): kotlin.Unit
public fun useIntArray(/*0*/ fn: (kotlin.Array<kotlin.Int>) -> kotlin.Unit): kotlin.Unit
public fun useMixedStringArgs1(/*0*/ fn: (kotlin.String, kotlin.Array<kotlin.String>) -> kotlin.Unit): kotlin.Unit
public fun useMixedStringArgs2(/*0*/ fn: (kotlin.Array<kotlin.String>, kotlin.String) -> kotlin.Unit): kotlin.Unit
public fun useMixedStringArgs3(/*0*/ fn: (kotlin.String, kotlin.Array<kotlin.String>, kotlin.String) -> kotlin.Unit): kotlin.Unit
public fun usePrimitiveIntArray(/*0*/ fn: (kotlin.IntArray) -> kotlin.Unit): kotlin.Unit
public fun useStringArray(/*0*/ fn: (kotlin.Array<kotlin.String>) -> kotlin.Unit): kotlin.Unit
public fun useStrings(/*0*/ fn: (kotlin.String, kotlin.String, kotlin.String) -> kotlin.Unit): kotlin.Unit
public fun useTwoStringArrays(/*0*/ fn: (kotlin.Array<kotlin.String>, kotlin.Array<kotlin.String>) -> kotlin.Unit): kotlin.Unit