4 ms·
It's probably like k's find (`?`), which gets the indices of the found elements, or else the length of the list (or null, depending on the dialect) if not found
by chrispsn 6y ago
It's probably like k's find (`?`), which gets the indices of the found elements, or else the length of the list (or null, depending on the dialect) if not found:
"abc"?"caz"
2 0 3