LPUSHX

Prepends an element only to an existing list.

Lists · Example verified

Syntax covered here

LPUSHX key element

Tested example & replies

Requests below run in order against an empty database. Each connection authenticates with the fixture password first. Quoted values are strings; null is a nil reply; arrays preserve RESP order.

# connection: default
> RPUSH queue a b c
3
# connection: default
> LPUSHX queue z
4