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[JS] Fix casting to ints (#22327)

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* [JS] Fix casting to ints

* Simplify `genCast` by using `asUintN`/`asIntN`
This commit is contained in:
konsumlamm
2023-07-25 17:56:14 +02:00
committed by GitHub
parent 1c2ccfad08
commit c0994c2dbd
2 changed files with 28 additions and 19 deletions
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21
tests/cast/tcast.nim Normal file
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@@ -0,0 +1,21 @@
discard """
targets: "c cpp js"
"""
proc main() =
block: # bug #16806
let
a = 42u16
b = cast[int16](a)
doAssert a.int16 == 42
doAssert b in int16.low..int16.high
block: # bug #16808
doAssert cast[int8](cast[uint8](int8(-12))) == int8(-12)
doAssert cast[int16](cast[uint16](int16(-12))) == int16(-12)
doAssert cast[int32](cast[uint32](int32(-12))) == int32(-12)
doAssert cast[int8](int16.high) == -1
static: main()
main()