A simple command-line menu system in Rust. Works on embedded systems, but also on your command-line.
``
$ cargo run --example simple
Compiling menu v0.1.0 (file:///home/jonathan/Documents/programming/menu)
Finished dev [unoptimized + debuginfo] target(s) in 0.84 secs
Runningtarget/debug/examples/simple`
In enter_root()
help foo - makes a foo appear bar - fandoggles a bar sub - enter sub-menu help - print this help text.
foo In select_foo(): foo
sub
sub> help baz - thingamobob a baz quux - maximum quux exit - leave this menu. help - print this help text.
exit
help foo - makes a foo appear bar - fandoggles a bar sub - enter sub-menu help - print this help text.
^C $ ```