Adding toBytes and fromBytes to Nat32 #269
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Thanks! We probably want to indicate the endianness in these functions, i.e. Also, the |
rossberg
reviewed
Jun 18, 2021
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| [ Prim.natToNat8(Prim.nat32ToNat((x >> 24) & (255))), | ||
| Prim.natToNat8(Prim.nat32ToNat((x >> 16) & (255))), | ||
| Prim.natToNat8(Prim.nat32ToNat((x >> 8) & (255))), | ||
| Prim.natToNat8(Prim.nat32ToNat((x & 255))) ]; |
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Nit:
Suggested change
| [ Prim.natToNat8(Prim.nat32ToNat((x >> 24) & (255))), | |
| Prim.natToNat8(Prim.nat32ToNat((x >> 16) & (255))), | |
| Prim.natToNat8(Prim.nat32ToNat((x >> 8) & (255))), | |
| Prim.natToNat8(Prim.nat32ToNat((x & 255))) ]; | |
| [ Prim.natToNat8(Prim.nat32ToNat(x >> 24 & 255)), | |
| Prim.natToNat8(Prim.nat32ToNat(x >> 16 & 255)), | |
| Prim.natToNat8(Prim.nat32ToNat(x >> 8 & 255)), | |
| Prim.natToNat8(Prim.nat32ToNat(x & 255)) ]; |
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| (Prim.natToNat32(Prim.nat8ToNat(x[0])) << 24) + | ||
| (Prim.natToNat32(Prim.nat8ToNat(x[1])) << 16) + | ||
| (Prim.natToNat32(Prim.nat8ToNat(x[2])) << 8) + | ||
| (Prim.natToNat32(Prim.nat8ToNat(x[3]))); |
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Suggested change
| (Prim.natToNat32(Prim.nat8ToNat(x[0])) << 24) + | |
| (Prim.natToNat32(Prim.nat8ToNat(x[1])) << 16) + | |
| (Prim.natToNat32(Prim.nat8ToNat(x[2])) << 8) + | |
| (Prim.natToNat32(Prim.nat8ToNat(x[3]))); | |
| Prim.natToNat32(Prim.nat8ToNat(x[0])) << 24 + | |
| Prim.natToNat32(Prim.nat8ToNat(x[1])) << 16 + | |
| Prim.natToNat32(Prim.nat8ToNat(x[2])) << 8 + | |
| Prim.natToNat32(Prim.nat8ToNat(x[3])); |
rossberg
reviewed
Jun 18, 2021
| @@ -2,6 +2,7 @@ | |||
| /// | |||
| /// Most operations are available as built-in operators (e.g. `1 + 1`). | |||
| import Nat "Nat"; | |||
| import Nat8 "Nat8"; | |||
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Is this module actually used?
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still ok? |
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I'm not sure how to go about testing, but I tried to add tests as well. This same pattern can be followed for the hard edged NatXz. The Nat to bytes will need a bit more finesse than I have at the moment.