Comment by kragen

Witness the chaos you have unloosed upon the world; not even little Lua is safe:

  > =dd-{"Todo","es","bueno"} /call("gsub", "[aeiou]", "i") /call("rep", 2) /call "lower"                  
  {"tiditidi", "isis", "biinibiini"}
  > ps={{x=5, y=7}, {x=5, y=4}, {x=3, y=4}}
  > =dd-ps/get"x"                                       
  {5, 5, 3}
  > =dd-ps/where {y=4}
  {[2] = {y=4, x=5}, [3] = {y=4, x=3}}                                       
  > =dd-ps/group "x"                                         
  {[5] = {{x=5, y=7}, {x=5, y=4}}, [3] = {{x=3, y=4}}}       
  > =dd-ps/group "x"/get(1)                                  
  {[5] = {x=5, y=7}, [3] = {x=3, y=4}}                       
  > =dd-ps/group "x"/map(get"y")                             
  {[5] = {7, 4}, [3] = {4}                                   
  > =dd-ps/group "x"/map(get"y")/map(max)                    
  {[5] = 7, [3] = 4}                                         
  > =dd-ps/group "x"/map(get"y")/map(max)/min                
  4
  > =dd-ps/group "x"/map(get"y")/map(max)/sum                
  11
  > =dd-ps/where(function(p) return 9 < p.x+p.y end)
  {[2] = {y=6, x=8}}                                         
  > function bytes(s) return {s:byte(1,#s)} end
  > =dd-{"hey", "you"}/map(bytes)
  {{104, 101, 121}, {121, 111, 117}}
  > =dd-{"hey", "you"}/map(bytes)/flat/freq
  {[111] = 1, [101] = 1, [104] = 1, [121] = 2, [117] = 1}