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(guile.info.gz) SRFI-14 Character-Set Algebra

Info Catalog (guile.info.gz) SRFI-14 Querying Character Sets (guile.info.gz) SRFI-14 (guile.info.gz) SRFI-14 Standard Character Sets
 
 39.12.7 Character-Set Algebra
 -----------------------------
 
 Character sets can be manipulated with the common set algebra operation,
 such as union, complement, intersection etc.  All of these procedures
 provide side-effecting variants, which modify their character set
 argument(s).
 
  -- Scheme Procedure: char-set-adjoin cs char1 ...
  -- Scheme Procedure: char-set-adjoin! cs char1 ...
      Add all character arguments to the first argument, which must be a
      character set.
 
  -- Scheme Procedure: char-set-delete cs char1 ...
  -- Scheme Procedure: char-set-delete! cs char1 ...
      Delete all character arguments from the first argument, which must
      be a character set.
 
  -- Scheme Procedure: char-set-complement cs
  -- Scheme Procedure: char-set-complement! cs
      Return the complement of the character set CS.
 
  -- Scheme Procedure: char-set-union cs1 ...
  -- Scheme Procedure: char-set-union! cs1 ...
      Return the union of all argument character sets.
 
  -- Scheme Procedure: char-set-intersection cs1 ...
  -- Scheme Procedure: char-set-intersection! cs1 ...
      Return the intersection of all argument character sets.
 
  -- Scheme Procedure: char-set-difference cs1 ...
  -- Scheme Procedure: char-set-difference! cs1 ...
      Return the difference of all argument character sets.
 
  -- Scheme Procedure: char-set-xor cs1 ...
  -- Scheme Procedure: char-set-xor! cs1 ...
      Return the exclusive-or of all argument character sets.
 
  -- Scheme Procedure: char-set-diff+intersection cs1 ...
  -- Scheme Procedure: char-set-diff+intersection! cs1 ...
      Return the difference and the intersection of all argument
      character sets.
 
Info Catalog (guile.info.gz) SRFI-14 Querying Character Sets (guile.info.gz) SRFI-14 (guile.info.gz) SRFI-14 Standard Character Sets
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