#   This program is free software: you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation, either version 3 of the License, or
#   (at your option) any later version.
#
#   This program 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 General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
declare -n r
declare -n r
unset -n r

r=foo
declare -n r=/

r=%
declare -n r
unset r

declare -n r
r=^
declare -p r

unset -n r

declare -n foo
declare -a foo
declare -p foo
foo[0]=7
declare -p foo
unset foo

declare -n x
declare x=42
declare -p x

declare -n -r RO=foo
declare -p RO

unset -n r; unset r

# the details of this may change; currently we put namerefs and values into
# the tempenv if the nameref value is an invalid variable name
f() { echo $r; }

declare -n r
r=/ ${THIS_SH} < /dev/null
r=/ f

unset -f f

# the details of this may change; this will tell me when they do
declare -n foo ; declare -i foo=7*6 ; declare -p foo
unset -n foo
declare -n foo ; declare -i foo ; foo=7*6 ; declare -p foo

# used to be buggy
f()
{
	unset var
	declare -n ref=var
	declare -n ref
	declare -p ref
}
f

unset -f f
f()
{
	local var
	declare -n ref=var
	declare -n ref
	declare -p ref
}
f

unset ref; unset -n ref
unset var

var=foo
typeset -n ref=var[0]
readonly ref
typeset -p var

var2=foo
typeset -n ref2=var2
readonly ref2
typeset -p var2

unset var
unset -n ref ref2

unset var; typeset -n ref=var
ref[0]=foo
typeset -p ref var
unset -n ref

unset var; typeset -n ref
ref[0]=foo
typeset -p ref
unset -n ref

ref=global
f() { declare -n ref=var; ref[0]=foo1; }; f
f() { declare -n ref=var; ref[0]=foo2; }; f
declare -p ref var

declare -p global