%sample7.t
% lots of substring examples
var st,st2 : string 
st := "university of toronto"
put "st is ",st  
put "st(1) is ",st(1)
put "st(7) is ",st(7)
put "st(15..21) is ",st(15..21)
put "st(4..4) is ",st(4..4)
var x : int
x := 5
put "st(x) is ",st(x)
put "st(x+2..9) is ",st(x+2..9)
st2 := st(x) + st(4..6) + st(x*2) + "one"  %uses concatenation too
put "st2 was ",st2