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return(n)		     Tcl Built-In Commands		     return(n)


       return - Return from a procedure

       return ?-code code? ?-errorinfo info? ?-errorcode code? ?string?

       Return  immediately from the current procedure (or top-level command or
       source command), with string as the return value.   If  string  is  not
       specified then an empty string will be returned as result.

       In  the usual case where the -code option isn't specified the procedure
       will return normally (its completion code will  be  TCL_OK).   However,
       the -code option may be used to generate an exceptional return from the
       procedure.  Code may have any of the following values:

       ok	 Normal return:	 same as if the option is omitted.

       error	 Error return: same as if the error command were used to  ter‐
		 minate	 the  procedure,  except for handling of errorInfo and
		 errorCode variables (see below).

       return	 The current procedure will return with a completion  code  of
		 TCL_RETURN, so that the procedure that invoked it will return

       break	 The current procedure will return with a completion  code  of
		 TCL_BREAK,  which will terminate the innermost nested loop in
		 the code that invoked the current procedure.

       continue	 The current procedure will return with a completion  code  of
		 TCL_CONTINUE,	which  will terminate the current iteration of
		 the innermost nested loop in the code that invoked  the  cur‐
		 rent procedure.

       value	 Value must be an integer;  it will be returned as the comple‐
		 tion code for the current procedure.

       The -code option is rarely used.	 It is	provided  so  that  procedures
       that  implement	new  control structures can reflect exceptional condi‐
       tions back to their callers.

       Two additional options, -errorinfo and -errorcode, may be used to  pro‐
       vide  additional	 information  during error returns.  These options are
       ignored unless code is error.

       The -errorinfo option specifies an initial stack trace for  the	error‐
       Info  variable;	 if  it	 is not specified then the stack trace left in
       errorInfo will include the call to the procedure and higher  levels  on
       the  stack but it will not include any information about the context of
       the error within the procedure.	Typically the info value  is  supplied
       from the value left in errorInfo after a catch command trapped an error
       within the procedure.

       If the -errorcode option is specified then code provides	 a  value  for
       the  errorCode variable.	 If the option is not specified then errorCode
       will default to NONE.

       break(n), continue(n), error(n), proc(n)

       break, continue, error, procedure, return

Tcl				      7.0			     return(n)

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