id summary reporter owner description type status priority milestone component version resolution keywords cc 23 Add array update operator (//) Ben Lippmeier "From SO: {{{ (//) :: Shape sh => Array sh a -> [(sh,a)] -> Array sh a (//) arr us = fromFunction (extent arr) (\sh -> case lookup sh us of Just a -> a Nothing -> index arr sh) }}}" enhancement closed normal library 2.0.0.3 fixed