status-to-bool.fish: converts exit statuses into boolean values

gistpkg.zpl

name = status-to-bool

author = Chris Olstrom

license = MIT

provides = fish/functions/status-to-bool

requires
    fish/builtin/and
    fish/builtin/case
    fish/builtin/echo
    fish/builtin/end
    fish/builtin/exit
    fish/builtin/false
    fish/builtin/function
    fish/builtin/return
    fish/builtin/set
    fish/builtin/switch
    fish/builtin/test
    fish/builtin/true

status-to-bool.fish

function status-to-bool --argument exit
    set --local last $status

    test -z "$exit"
    and set exit $last

    switch "$exit"
        case 0
            echo true
        case '*'
            echo false
    end
    return $exit
end