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brentp/debug_error.nim

Last active November 14, 2018 17:14
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debug_error.nim
type Signal* = object
left*: uint32
right*: uint32
left_exact* {.bitsize: 1.}: uint32
right_exact* {.bitsize: 1.}: uint32
when defined(debug):
name*: string
proc makeSignal(): Signal =
result.left_exact = 1'u32
doAssert makeSignal().left_exact == 1
var b = makeSignal()
#OK
doAssert b.left_exact == 1
var c = b
# FAIL.
doAssert c.left_exact == 1
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