diff options
| author | Timothee Cour <timothee.cour2@gmail.com> | 2022-04-07 14:38:01 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-04-07 17:38:01 -0400 |
| commit | e78ef57c93d66da483e0482ce0907dfe16dc8d27 (patch) | |
| tree | 32ba3900b479bc2e046aca563df99c1be77a5d9d /lib/std/private | |
| parent | 1807de38e52f45c2fb88dac9b99b47729b12ebae (diff) | |
| download | Nim-e78ef57c93d66da483e0482ce0907dfe16dc8d27.tar.gz | |
typetraits: add toSigned, toUnsigned (#18445)
* typetraits: add toSigned, toUnsigned * improve and add tests Co-authored-by: Andreas Rumpf <rumpf_a@web.de> Co-authored-by: flywind <xzsflywind@gmail.com>
Diffstat (limited to 'lib/std/private')
| -rw-r--r-- | lib/std/private/bitops_utils.nim | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/lib/std/private/bitops_utils.nim b/lib/std/private/bitops_utils.nim index d54977b4e..0b9484416 100644 --- a/lib/std/private/bitops_utils.nim +++ b/lib/std/private/bitops_utils.nim @@ -10,8 +10,13 @@ template forwardImpl*(impl, arg) {.dirty.} = else: impl(x.uint64) -template toUnsigned*(x: int8): uint8 = cast[uint8](x) -template toUnsigned*(x: int16): uint16 = cast[uint16](x) -template toUnsigned*(x: int32): uint32 = cast[uint32](x) -template toUnsigned*(x: int64): uint64 = cast[uint64](x) -template toUnsigned*(x: int): uint = cast[uint](x) +# this could also be implemented via: +# import std/typetraits +# template castToUnsigned*(x: SomeInteger): auto = cast[toUnsigned(typeof(x))](x) + +template castToUnsigned*(x: int8): uint8 = cast[uint8](x) +template castToUnsigned*(x: int16): uint16 = cast[uint16](x) +template castToUnsigned*(x: int32): uint32 = cast[uint32](x) +template castToUnsigned*(x: int64): uint64 = cast[uint64](x) +template castToUnsigned*(x: int): uint = cast[uint](x) +template castToUnsigned*[T: SomeUnsignedInt](x: T): T = x |