24 lines
737 B
Nim
24 lines
737 B
Nim
import ./datatypes
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# this module should be in compiletime_helpers
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# but the cyclic dependency of compiletime_helpers
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# and int_bitwise_ops make things complicated
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func convertImpl[T: SomeInteger](x: SomeInteger): T {.compileTime.} =
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cast[T](x)
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func convertImpl[T: IntImpl|UintImpl](x: IntImpl|UintImpl): T {.compileTime.} =
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result.hi = convertImpl[type(result.hi)](x.hi)
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result.lo = x.lo
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func convertImpl[T: StUint|StInt](x: StUint|StInt): T {.compileTime.} =
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result.data = convertImpl[type(result.data)](x.data)
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template convert*[T](x: StUint|StInt|UintImpl|IntImpl|SomeInteger): T =
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when nimvm:
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# this is a workaround Nim VM inability to cast
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# something non integer
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convertImpl[T](x)
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else:
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cast[T](x)
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