Different arguments for each.map vs each and map alone #9032
Description
I found a difference between
each.mapandeach/map# jruby 10.0.2.0 (3.4.2) 2025-08-07 cba6031bd0 Java HotSpot(TM) 64-Bit Server VM 24.0.2+12-54 on 24.0.2+12-54 +indy +jit [arm64-darwin] [[[1]]].each {|a,b| p [a,b] } # [[1], nil] [[[1]]].map {|a,b| p [a,b] } # [[1], nil] [[[1]]].each.map {|a,b| p [a,b] } # [1, nil] (should be the same as above two)Actual code I was writing:
array_of_tuple.each_slice(2).map {|a, b| ... }