nomsu/lib/compatibility/5.13.nom

#!/usr/bin/env nomsu -V7.0.0

###
    This file defines upgrades from Nomsu <5.13 to 5.13
use "compatibility/compatibility"

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upgrade action (size of $) to "5.13" as #$
upgrade action "with" to "5.13" via
    for $tree:
        $assignments = $tree.2
        $body = $tree.3
        if ($assignments.type != "Dict"): return $tree
        $new_assignments = `[]
        for ($i = $a) in $assignments:
            when:
                (($a.type == "DictEntry") and (#$a == 1)): $a = $a.1
                (all of [$a.type == "DictEntry", #$a == 2]):
                    $a = `(`$a.1 = `$a.2)
            $new_assignments.$i = $a
        return `(with `$new_assignments `$body)