t-ref-same-val () {
local name="$1"
local val=$2
- case "$t_ref_val" in
- '') ;;
+ case "${t_ref_val-unset}" in
+ unset) ;;
"$val") ;;
*) fail "ref varies: $name:\
${val:-nothing} != ${t_ref_val:-nothing}" ;;
}
t-refs-same-start () {
- t_ref_val=''
+ unset t_ref_val
}
t-refs-same () {