(guile.info.gz) General Conversion

 
 24.5 General String Conversion
 ==============================
 
 When debugging Scheme programs, but also for providing a human-friendly
 interface, a procedure for converting any Scheme object into string
 format is very useful.  Conversion from/to strings can of course be done
 with specialized procedures when the data type of the object to convert
 is known, but with this procedure, it is often more comfortable.
 
    `object->string' converts an object by using a print procedure for
 writing to a string port, and then returning the resulting string.
 Converting an object back from the string is only possible if the object
 type has a read syntax and the read syntax is preserved by the printing
 procedure.
 
  -- Scheme Procedure: object->string obj [printer]
  -- C Function: scm_object_to_string (obj, printer)
      Return a Scheme string obtained by printing OBJ.  Printing
      function can be specified by the optional second argument PRINTER
      (default: `write').

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