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Expr::MatchSet(3) User Contributed Perl Documentation Expr::MatchSet(3)
 

  Math::Expr::MatchSet - Represents matches in algebraic expretions

  require Math::Expr::MatchSet;
  $s=new Math::Expr::MatchSet;
  $s->Set($pos,$match);
  $s->Get($pos);

  Two expretion can be matched in several ways, therefor we need to be 
  able to represent a set of matches keyed by the matchposition (the 
  subexpretion, where the match where found).

  Create a new MatchSet object.

  Sets the match at $pos to $match.

  Synonyme to Set.

  Inserts all mathes in the MatchSet £mset intho $s.

  Sets the variable $var to $obj in all mathces in this set, and removes 
  all matches that already had a diffrent value for the variable $var.

  Generates a string representation of the MatchSet, used for debugging.

  Returns the Match at possition $pos.

  Returns the positions at which there excists a match.

Hey! The above document had some coding errors, which are explained below:
Around line 107:
Non-ASCII character seen before =encoding in '£mset'. Assuming CP1252
1998-06-26 perl v5.28.1

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