feat(rust): reflection (PR 4 of 7 Rust improvements) #4787
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…4781) === changelog === - Cast `bool` to integer types; support `**` via `.powf` - Add `Decimal.IsInteger/IsEvenInteger/IsOddInteger/IsCanonical` - Fix two-switch decision trees dispatching to the wrong target - Fix reference-typed match bindings panicking via `mem::zeroed` - Fix string and non-ident option pattern matches emitting invalid Rust `match` arms - Fix `Convert.ToXxx(bool)` - Fix `Char.ToUpper/ToLower` truncating multi-char case mappings - Fix `Random.nextDouble` panic message - Fix `Map.find/tryFind` panicking on reference-typed values === changelog === Co-authored-by: Mangel Maxime <me@mangelmaxime.fr>
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Adds reflection to Rust.
Part of the dependency chain.
Also makes the PropertyGet quotation pattern work: System.Reflection.PropertyInfo now erases to a shared FSharpPropertyInfo carrier (as UnionCaseInfo/MethodInfo already do), used by both reflection and quotations, so pi.Name works from either. The field getter is resolved from the type registry by name, like getValue(pi, v) => v[pi[0]] in JS/TS.