# RETRO 2020.7

## Renamings

    Old                      New
    ======================   =====================
    file:open<for-writing>   file:open-for-writing
    file:open<for-append>    file:open-for-append
    file:open<for-reading>   file:open-for-reading
    times<with-index>        indexed-times
    var<n>                   var-n
    d:last<name>             d:last.name
    d:last<class>            d:last.class
    d:last<xt>               d:last.xt

## Nga

- add a Swift implementation