----------------------------------------
|context> => |context: sw console>

supported-ops |x> => |op: foo> + |op: bah>
foo |x> #=>   |fn foo-x>

bah |x> => |it worked!>

supported-ops |y> => |op: foo>
foo |y> #=>   bah |x>


supported-ops |z> => |op: foo>
foo |z> #=>  range(|3>,|9>)

supported-ops |A> => |op: foo>
foo |A> #=>  shout bah |x>
----------------------------------------