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#!/usr/bin/env nomsu -V6.14
#
    This file defines upgrades from Nomsu <6.14 to 6.14
use "compatibility/compatibility"

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

upgrade action
    try $action and if it succeeds $success or if it barfs $msg $fallback
..to "6.14" as (try $action if it succeeds $success if it fails $msg $fallback)

upgrade action
    try $action and if it barfs $msg $fallback or if it succeeds $success
..to "6.14" as (try $action if it fails $msg $fallback if it succeeds $success)

upgrade action (try $action and if it barfs $fallback or if it succeeds $success)
..to "6.14" as (try $action if it fails $fallback if it succeeds $success)

upgrade action (try $action and if it barfs $msg $fallback) to "6.14" as
    try $action if it fails $msg $fallback

upgrade action (try $action and if it succeeds $success) to "6.14" as
    try $action if it succeeds $success

upgrade action (assume $assumption or barf $err) to "6.14" as
    unless $assumption: fail $err

upgrade action (barf $msg) to "6.14" as (fail $msg)

upgrade action (\(1's meaning)).stub to "6.14" via
    $tree -> (SyntaxTree {.source = $tree.source, .type = "Var", $tree.1})

upgrade action (log base $b of $n) to "6.14" as (log $n base $b)

upgrade action "use" to "6.14" via
    for $tree:
        $path = $tree.2.1
        $path = ($path, with "%.nom$" -> "")
        $path = ($path, with "^lib/" -> "")
        return \(use (SyntaxTree {.source = $tree.2.source, .type="Text"} $path))