Andrey Breslav
46 lines
624 B
Plaintext
46 lines
624 B
Plaintext
class IncDec() {
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fun inc() : IncDec = this
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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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fun inc() : Int = 1
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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<error>++</error>
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<error>++</error>x
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x<error>--</error>
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<error>--</error>x
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}
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class UnitIncDec() {
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fun inc() : Unit {}
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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++
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++x
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x--
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--x
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x = <error>x++</error>
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x = <error>x--</error>
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x = <error>++x</error>
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x = <error>--x</error>
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} |