Some notes on design of filters / sort / regex

#`[ do basic (non regex) sort & filter either sort on a col (up/down), or Dan sort filter/grep needs a think out = df.select( [ pl.col("names").filter(pl.col("names").str.contains(r"am$")).count(), ] ) print(df) #]

#notes #- FIXME refactor for (Num), (Str) == None... (1,2,3,(Int)).are (Int) dd (1e0, NaN, (Num)).are (Num) #- FIXME accept List for #https://pola-rs.github.io/polars-book/user-guide/dsl/expressions.html#filter-and-conditionals #- imo embedded regex/str ops are unfriendly --- aim for this in raku map/apply -- build on Dan sort/grep #https://pola-rs.github.io/polars-book/user-guide/dsl/expressions.html#binary-functions-and-modification #- imo embedded ternaries are quite unfriendly --- I would rather aim for this in raku map / apply