JSON/HAS?
Tests JSON if it contains a key value pair with a given key
Input stack: json key
Output stack: b
JSON/HAS? will push 1 if supplied JSON has a key key, 0 otherwise
PumpkinDB> "{\"a\": 1}" "a" JSON/HAS?
0x01
PumpkinDB> "{\"b\": 1}" "a" JSON/HAS?
0x00
Allocation
Allocates for parsing JSON
Errors
EmptyStack error if there are less than one item on the stack
InvalidValue if supplied JSON is not valid.
InvalidValue if supplied key is not a valid UTF-8 string.
Tests
works : "{\"a\": 1}" "a" JSON/HAS?.
works_negative : "{\"a\": 1}" "b" JSON/HAS? NOT.
non_json : ["z" "a" JSON/HAS?] TRY UNWRAP 0x03 EQUAL?.
invalid_key : ["{}" 0xffff JSON/HAS?] TRY UNWRAP 0x03 EQUAL?.
empty_stack : [JSON/HAS?] TRY UNWRAP 0x04 EQUAL?.