eval "export ${NO_EXPORT:+-n} -- \"$var=\${$var:+\${$var}\${value:+\$sep}}\$value\""
}
+prepend() {
+ local var="$1"
+ local value="$2"
+ local sep="${3:- }"
+
+ eval "export ${NO_EXPORT:+-n} -- \"$var=\${$value:+\${$value}\$sep}\$var\""
+}
+
list_contains() {
local var="$1"
local str="$2"