#   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 -i x
x='a[${ unset x;}]'
declare -p x
unset x

declare -a a
x=a[${ unset x;}]
declare -p x
unset x

x=a[${ unset x;}]
declare -p x
unset x

x=${ unset x; }
declare -p x
unset x

declare -a x
x[0]=abc
x=${ unset x; }
declare -p x
unset x

declare -i x
x='a[${ unset x;}]' printenv x
declare -p x
unset x

declare -i x
x=${ unset x;}
declare -p x
unset x

declare -i x
x='${ unset x;}'
declare -p x
unset x

( SECONDS=${ unset SECONDS; }
declare -p SECONDS
unset SECONDS )

( SECONDS='${ unset SECONDS; }'
declare -p SECONDS )

declare -i x='a[${ unset x; }]'
declare -p x
unset x

declare -ia x=(3 5 7 9)
declare -n foo='x[2]'
foo=a[${ unset x; }]
declare -p x
unset x

declare -ai a=(1 'b[${ unset a; }]' 3)
declare -p a
unset a

declare -ai a=(1 "b[${ unset a; }]" 3)
declare -p a
unset a

# uses kvpair-style
declare -Ai a=(1 'b[${ unset a; }]' 3)
declare -p a
unset a

# uses kvpair-style
declare -Ai a=(1 "b[${ unset a; }]" 3)
declare -p a
unset a