| Path : /usr/share/calc/help/ |
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SYMBOL and NAME
-> - arrow operator
SYNOPSIS
p -> X
TYPES
p pointer to an lvalue
X identifier
return lvalue
DESCRIPTION
p->X returns the same as (*p).X. Thus the current value of *p is
to be an object of a type for which X identifies one element.
p->X then returns the lvalue corresponding to that element of the
value of *p.
The expression *p.X will cause a runtime error since this is
interpreted as *(p.X) in which p is expected to be an object of
an appropriate type.
Spaces or tabs on either side of -> are optional.
EXAMPLES
; obj pair {one, two}
; obj pair A, B
; p = &A
; p->one = 1; p->two = 2
; A
obj pair {1, 2}
; A->two = &B
; p->two->one = 3; p->two->two = 4
; *p->ptwo
obj pair {3, 4}
; B = {5,6}
; *p->two
obj pair {5, 6}
LIMITS
none
LINK LIBRARY
none
SEE ALSO
address, dereference, isptr, dot
## Copyright (C) 1999 Landon Curt Noll
##
## Calc is open software; you can redistribute it and/or modify it under
## the terms of the version 2.1 of the GNU Lesser General Public License
## as published by the Free Software Foundation.
##
## Calc is distributed in the hope that it will be useful, but WITHOUT
## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
## Public License for more details.
##
## A copy of version 2.1 of the GNU Lesser General Public License is
## distributed with calc under the filename COPYING-LGPL. You should have
## received a copy with calc; if not, write to Free Software Foundation, Inc.
## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
##
## Under source code control: 1997/09/06 20:03:34
## File existed as early as: 1997
##
## chongo <was here> /\oo/\ http://www.isthe.com/chongo/
## Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/