Update const_eval.md for feature stabilization#1166

Merged

ehuss merged 4 commits intorust-lang:masterfrom

eholk:const-fn-stabilization

Mar 8, 2022

Commits on Feb 10, 2022

Update const_eval.md for feature stabilization
eholk
committed

Commits on Feb 14, 2022

dyn Trait types are allowed now too
eholk
committed

Commits on Mar 1, 2022

Update does to reflect that union field access works too
eholk
committed

Commits on Mar 3, 2022

Remove 'compairing raw pointers'
eholk
committed