i: Case
needs case

t:  switch/case
  [ switch
    1 [ 1 ] case
    2 [ 2 ] case
    3 [ 3 ] case
  ] is foo
  1 foo 1 try
  2 foo 2 try
  3 foo 3 try
t:  switch/break/case/default
  [ switch
    1 [ 1 break ] case
    2 [ 2 break ] case
    3 [ 3 break ] case
      [ 4 ] default
  ] is foo
  1 foo 1 try
  2 foo 2 try
  3 foo 3 try
 10 foo 4 try  
t:  switch/string-case
  [ switch
    " 1" [ 1 ] string-case
    " 2" [ 2 ] string-case
    " 3" [ 3 ] string-case
  ] is foo
  " 1" foo 1 try
  " 2" foo 2 try
  " 3" foo 3 try
