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tyInt tyUint fit target int bit width (#20829)

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Bung 2022-12-01 20:34:00 +08:00 • committed by GitHub
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17 changed files with 306 additions and 267 deletions
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8
lib/system/arithmetics.nim
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@ -1,4 +1,4 @@
proc succ*[T: Ordinal](x: T, y = 1): T {.magic: "Succ", noSideEffect.} =
proc succ*[T, V: Ordinal](x: T, y: V = 1): T {.magic: "Succ", noSideEffect.} =
## Returns the `y`-th successor (default: 1) of the value `x`.
##
## If such a value does not exist, `OverflowDefect` is raised
@ -7,7 +7,7 @@ proc succ*[T: Ordinal](x: T, y = 1): T {.magic: "Succ", noSideEffect.} =
assert succ(5) == 6
assert succ(5, 3) == 8
proc pred*[T: Ordinal](x: T, y = 1): T {.magic: "Pred", noSideEffect.} =
proc pred*[T, V: Ordinal](x: T, y: V = 1): T {.magic: "Pred", noSideEffect.} =
## Returns the `y`-th predecessor (default: 1) of the value `x`.
##
## If such a value does not exist, `OverflowDefect` is raised
@ -16,7 +16,7 @@ proc pred*[T: Ordinal](x: T, y = 1): T {.magic: "Pred", noSideEffect.} =
assert pred(5) == 4
assert pred(5, 3) == 2
proc inc*[T: Ordinal](x: var T, y = 1) {.magic: "Inc", noSideEffect.} =
proc inc*[T, V: Ordinal](x: var T, y: V = 1) {.magic: "Inc", noSideEffect.} =
## Increments the ordinal `x` by `y`.
##
## If such a value does not exist, `OverflowDefect` is raised or a compile
@ -28,7 +28,7 @@ proc inc*[T: Ordinal](x: var T, y = 1) {.magic: "Inc", noSideEffect.} =
inc(i, 3)
assert i == 6
proc dec*[T: Ordinal](x: var T, y = 1) {.magic: "Dec", noSideEffect.} =
proc dec*[T, V: Ordinal](x: var T, y: V = 1) {.magic: "Dec", noSideEffect.} =
## Decrements the ordinal `x` by `y`.
##
## If such a value does not exist, `OverflowDefect` is raised or a compile