197bc6cb66
This PR redefines `String` to be the type of byte arrays `b` for which `b.IsValidUtf8`. This moves the data model of strings much closer to the actual data representation at runtime. In the near future, we will - provide variants of `String.Pos` and `Substring` that only allow for valid positions - redefine all `String` functions to be much closer to their C++ implementations In the near-to-medium future we will then provide comprehensive verification of `String` based on these refactors. |
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| BasicAux.lean | ||
| Bitwise.lean | ||
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