abcde
yo
hot damn
what a fabulous window treatment
double"quote
onetwothree
first second third
f1 () 
{ 
    cat <<< "abcde";
    cat <<< "yo";
    cat <<< "$a $b";
    cat <<< 'what a fabulous window treatment';
    cat <<< 'double"quote'
}
f2 () 
{ 
    cat <<< onetwothree
}
f3 () 
{ 
    cat <<< "$@"
}
echo $(echo hi)
echo ho
echo off to work we go
declare -a uu=([0]="" [1]="kghfjk" [2]="jkfzuk" [3]=$'i\n')
foo        bar
foo        bar
qux:::::bax
qux:::::bax