struct

Type
    structinst
    bits

but type is already typeinst?

for each var, create list of constraints on type
    then just need to iterate through constraints to determine type
    keep doing passes for vars that depend on the type of other vars
    really need to make subvar for each field of struct var so 2 different "a.b" refer to same thing
        makes borrow checking easier
    do dependency cycles exist?
        for global vars yes, in functions no
        but if function returns are inferrable (even if just "impl Trait"), then needed in functions?
every kind has an origin, should make separate like names?



TYPE IDS!!!!! MY SAVIOR!!! MY GOAT!!!