Default export

[stylemistake]

Default function to run when calling module, e.g.:

# main.sh

module import foo
module import bar from foo

foo # -> foo!
foo bar # -> foo!
bar # -> bar!

# foo.sh

module export foo default
module export foo
module export bar

foo() {
    echo 'foo!'
}

bar() {
    echo 'bar!'
}