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36 lines
604 B
Nim
36 lines
604 B
Nim
discard """
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output: '''4887 true
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0.5'''
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"""
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# test the new borrow feature that works with generics:
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proc `++`*[T: int | float](a, b: T): T =
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result = a + b
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type
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DI = distinct int
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DF = distinct float
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DS = distinct string
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proc `++`(x, y: DI): DI {.borrow.}
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proc `++`(x, y: DF): DF {.borrow.}
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proc `$`(x: DI): string {.borrow.}
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proc `$`(x: DF): string {.borrow.}
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echo 4544.DI ++ 343.DI, " ", (4.5.DF ++ 0.5.DF).float == 5.0
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# issue #14440
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type Radians = distinct float64
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func `-=`(a: var Radians, b: Radians) {.borrow.}
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var a = Radians(1.5)
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let b = Radians(1.0)
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a -= b
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echo a.float64
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