String Declaration in Scilla

gistfile1.txt

contract Strings()
 
 field a : String = ""          (*declaring variable a with no value*)
 field b : String = "hello"     (*declaring variable b with a fixed value*)

transition update_value()

    (*updating variable a*)
    c = "hi"; (*declaring variable c with fixed value in the transition*)
    a:= c;
    
    (*updating variable b*)
    d= "hello world";
    e= d;
    b:= e
    
end