{ "LSET": { "summary": "Sets the value of an element in a list by its index.", "complexity": "O(N) where N is the length of the list. Setting either the first or the last element of the list is O(1).", "group": "list", "since": "1.0.0", "arity": 4, "function": "lsetCommand", "command_flags": [ "WRITE", "DENYOOM" ], "acl_categories": [ "LIST" ], "key_specs": [ { "flags": [ "RW", "UPDATE" ], "begin_search": { "index": { "pos": 1 } }, "find_keys": { "range": { "lastkey": 0, "step": 1, "limit": 0 } } } ], "reply_schema": { "const": "OK" }, "arguments": [ { "name": "key", "type": "key", "key_spec_index": 0 }, { "name": "index", "type": "integer" }, { "name": "element", "type": "string" } ] } }