Rich-T-kid commented on code in PR #10958:
URL: https://github.com/apache/arrow-rs/pull/10958#discussion_r3926941157


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arrow-cast/src/cast/mod.rs:
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@@ -2570,6 +2586,45 @@ where
     }
 }
 
+/// Returns `true` when the per-element checked conversion can be replaced by a
+/// plain widening conversion, that is when

Review Comment:
   nit: this isnt 100% true right? it allows precision-losing integer-to-float 
cases such as UInt64 -> Float32
   
   I think we can say the operation is infallible or something of the sort



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