#   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/>.
#

# implicit and explicit variable type conversions

declare -A A=(x x)
declare -p A

f() { declare -g A=([1]=1); }
f

declare -p A

unset -f f
# error to convert associative to indexed
f() { declare -ga A=([1]=1); }
f

# error to convert associative to indexed
declare -a A=([1]=1)
declare -p A

unset -v A

declare -a A=(x x)
declare -p A

# error to convert indexed to associative
f() { declare -gA A=([1]=1); }
f

declare -p A

# error to convert indexed to associative
declare -A A=([1]=1)
declare -p A

# can't read into an associative array
unset -v A
declare -A A
read -a A </dev/null