// Field names (symbol tokens) in its different representations within Structs
(
{ a : 1} // no quotes
{'a' : 1} // single-quoted
{"a" : 1} // double-quoted (JSON compat.)
)
(
{ a : b , c :42, d :{ e : f }, g :3} // no quotes
{'a':'b','c':42,'d':{'e':'f'},'g':3} // single-quoted
{"a":'b',"c":42,"d":{"e":'f'},"g":3} // double-quoted (JSON compat.)
)