How to resolve the algorithm Compare a list of strings step by step in the Bracmat programming language

Published on 12 May 2024 09:40 PM
#Bracmat

How to resolve the algorithm Compare a list of strings step by step in the Bracmat programming language

Table of Contents

Problem Statement

Given a   list   of arbitrarily many strings, show how to:

Each of those two tests should result in a single true or false value, which could be used as the condition of an   if   statement or similar. If the input list has less than two elements, the tests should always return true. There is no need to provide a complete program and output. Assume that the strings are already stored in an array/list/sequence/tuple variable (whatever is most idiomatic) with the name   strings,   and just show the expressions for performing those two tests on it (plus of course any includes and custom functions etc. that it needs),   with as little distractions as possible. Try to write your solution in a way that does not modify the original list,   but if it does then please add a note to make that clear to readers. If you need further guidance/clarification,   see #Perl and #Python for solutions that use implicit short-circuiting loops,   and #Raku for a solution that gets away with simply using a built-in language feature.

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Compare a list of strings step by step in the Bracmat programming language

Source code in the bracmat programming language

  (test1=first.~(!arg:%@?first ? (%@:~!first) ?))
& (test2=x.~(!arg:? %@?x (%@:~>!x) ?))

(     ( lstA
      .   isiZulu
          isiXhosa
          isiNdebele
          Xitsonga
          Tshivenda
          Setswana
          "Sesotho sa Leboa"
          Sesotho
          English
          Afrikaans
      )
      ( lstB
      .   Afrikaans
          English
          Sesotho
          "Sesotho sa Leboa"
          Setswana
          Tshivenda
          Xitsonga
          isiNdebele
          isiXhosa
          isiZulu
      )
      ( lstC
      .   alpha
          alpha
          alpha
          alpha
          alpha
          alpha
          alpha
          alpha
          alpha
          alpha
      )
  : ?lists
&   map
  $ ( (
      =   name list
        .   !arg:(?name.?list)
          &   out
            $ ( test1
                !name
                (test1$!list&succeeds|fails)
              )
          &   out
            $ ( test2
                !name
                (test2$!list&succeeds|fails)
              )
      )
    . !lists
    )
)

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