Parse a string

parse x     parse[x]

Where x is a string representing

• a well-formed q expression, returns a parse tree (V3.4 can accept newlines within the string; earlier versions cannot.)
• a function, returns the function

q)parse "1 2 3 + 5"            / the list 1 2 3 is parsed as a single item
+
1 2 3
5

q)parse "{x*x}"
{x*x}