This defines the bitwise methods: &, |, ^, ~, <<, and >>. Because these methods overlap with the standard +BooleanMethods methods+, and they only make sense for integers, they are only included in NumericExpression.
:a.sql_number & :b # "a" & "b" :a.sql_number | :b # "a" | "b" :a.sql_number ^ :b # "a" ^ "b" :a.sql_number << :b # "a" << "b" :a.sql_number >> :b # "a" >> "b" ~:a.sql_number # ~"a"
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