2229 migrations small cleanup#90074

Merged

bors merged 2 commits intorust-lang:masterfrom

klensy:upvar-all

Oct 21, 2021

Commits on Oct 20, 2021

replace format!("") with String::new()
klensy
committed
use array explicitly instead of vec for const content (even if optimizer smart enought to remove allocation)
klensy
committed