Use std TryFrom trait #65
                
     Merged
            
            
          
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In rust-lang/rust#82781, I'm trying to experiment what we might run into if
TryFrom/TryInto/FromIteratorare added to the prelude. It turns out the compiler build itself fails because method calls in minifier become ambiguous. At some point we will havecargo fixlints to make this easier, but for now doing this manually was easy enough.Would be nice to get a new release out so that the compiler can pick that up.