#   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/>.
#
# case 1: readonly modifying local scalar variables
o1() {
    local i1 j1
    readonly i1=$1
    readonly j1="1 2 3"

    echo "in o1 (readonly modifying local scalars):"
    declare -p i1
    declare -p j1
}

o1 "a b c"

echo after o1:
declare -p i1 j1

unset i1 j1

# case 2: readonly setting global scalar variables
o2() {
    readonly i2=$1
    readonly j2="1 2 3"

    echo "in o2 (readonly setting global scalars):"
    declare -p i2
    declare -p j2
}

o2 "a b c"
echo after o2:
declare -p i2 j2

unset i2 j2

# case 3: readonly modifying local variables, converting to arrays
o3() {
    local i3 j3
    readonly i3=($1)
    readonly j3=(1 2 3)

    echo "in o3 (readonly modifying locals, converting to arrays):"
    declare -p i3
    declare -p j3
}

o3 "a b c"
echo after o3:
declare -p i3 j3

unset i3 j3

# case 4: readonly setting global array variables
o4() {
    readonly i4=($1)
    readonly j4=(1 2 3)

    echo "in o4 (readonly setting global array variables):"
    declare -p i4
    declare -p j4
}

o4 "a b c"
echo after o4:
declare -p i4 j4

unset i4 j4