Tony b6285c5922 feat: add in operator (inverse of has) ... Add the `in` operator to check if a value is present in a mapping (as a key) or sequence (as an element). This mirrors jq's `in` operator which is defined as the inverse of `has`. Usage: . as $m | "key" | in($m) -- check map key existence . as $m | "value" | in($m) -- check array value membership .[] | select(.type | in(["a","b"])) -- filter by membership Fixes #2322		2026-05-27 16:33:32 +08:00
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yqlib	feat: add in operator (inverse of has)	2026-05-27 16:33:32 +08:00