JSON?
Tests binary if it contains a valid JSON expression
Input stack: a
Output stack: b
JSON? will push 1 if supplied binary contains a valid JSON
expression, 0 otherwise
PumpkinDB> "{}" JSON?
0x01
PumpkinDB> "hello" JSON?
0x00
Allocation
Allocates for parsing JSON
Errors
EmptyStack error if there are less than one item on the stack
Tests
works : "{}" JSON?.
works_negative : "hellp" JSON? NOT.
empty_stack : [JSON?] TRY UNWRAP 0x04 EQUAL?.