Fuzion • Idioms • Idiom # 240: Sort 2 lists together

Idiom # 240: Sort 2 lists together

Code

sort list b based on the sorting of list a

s := a.zip b x,y->(x,y)
      .sort_by (x,y -> x.0 <= y.0)
a := s.map v->v.0
b := s.map v->v.1

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s := a.zip b x,y->(x,y)
      .sort_by (x,y -> x.0 <= y.0)
a := s.map v->v.0
b := s.map v->v.1
 
 
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What are effects?

Running Example

ex240 is

  a0 := [ "siebenundvierzig",
         "elf",
         "null",
         "acht",
         "fünfzehn" ]
  b0 := [ "47",
         "11",
         "0",
         "8",
         "15" ]

  s := a0.zip b0 x,y->(x,y)
         .sort_by (a,b -> a.0 <= b.0)
  a1 := s.map v->v.0
  b1 := s.map v->v.1

  say a1
  say b1

  # NYI: With more syntax sugar for tuples, this should be:
  #
  #  s := a.zip b x,y->(x,y)
  #        .sort_by x->x.0
  #  a := s.map v->v.0
  #  b := s.map v->v.1

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ex240 is
  a0 := [ "siebenundvierzig",
         "elf",
         "null",
         "acht",
         "fünfzehn" ]
  b0 := [ "47",
         "11",
         "0",
         "8",
         "15" ]
  s := a0.zip b0 x,y->(x,y)
         .sort_by (a,b -> a.0 <= b.0)
  a1 := s.map v->v.0
  b1 := s.map v->v.1
  say a1
  say b1
  # NYI: With more syntax sugar for tuples, this should be:
  #
  #  s := a.zip b x,y->(x,y)
  #        .sort_by x->x.0
  #  a := s.map v->v.0
  #  b := s.map v->v.1
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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What are effects?

last changed: 2024-07-01

next: NYI: Idiom # 241: Yield priority to other threads