Dmitriy Novozhilov
47 lines
1.1 KiB
Kotlin
Vendored
47 lines
1.1 KiB
Kotlin
Vendored
class IncDec() {
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operator fun inc() : IncDec = this
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operator fun dec() : IncDec = this
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}
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fun testIncDec() {
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var x = IncDec()
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x++
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++x
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x--
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--x
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x = x++
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x = x--
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x = ++x
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x = --x
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}
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class WrongIncDec() {
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<!INAPPLICABLE_OPERATOR_MODIFIER!>operator<!> fun inc() : Int = 1
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<!INAPPLICABLE_OPERATOR_MODIFIER!>operator<!> fun dec() : Int = 1
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}
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fun testWrongIncDec() {
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var x = WrongIncDec()
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x<!RESULT_TYPE_MISMATCH!>++<!>
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<!RESULT_TYPE_MISMATCH!>++<!>x
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x<!RESULT_TYPE_MISMATCH!>--<!>
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<!RESULT_TYPE_MISMATCH!>--<!>x
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}
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class UnitIncDec() {
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<!INAPPLICABLE_OPERATOR_MODIFIER!>operator<!> fun inc() : Unit {}
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<!INAPPLICABLE_OPERATOR_MODIFIER!>operator<!> fun dec() : Unit {}
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}
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fun testUnitIncDec() {
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var x = UnitIncDec()
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x<!INC_DEC_SHOULD_NOT_RETURN_UNIT!>++<!>
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<!INC_DEC_SHOULD_NOT_RETURN_UNIT!>++<!>x
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x<!INC_DEC_SHOULD_NOT_RETURN_UNIT!>--<!>
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<!INC_DEC_SHOULD_NOT_RETURN_UNIT!>--<!>x
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x = x<!INC_DEC_SHOULD_NOT_RETURN_UNIT!>++<!>
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x = x<!INC_DEC_SHOULD_NOT_RETURN_UNIT!>--<!>
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x = <!INC_DEC_SHOULD_NOT_RETURN_UNIT!>++<!>x
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x = <!INC_DEC_SHOULD_NOT_RETURN_UNIT!>--<!>x
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}
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