tty_ansi vargs

poc

@@ -52,12 +52,15 @@ function miaou_debug {
 }
 
 function tty_ansi {
-  local code="$1"
+  local code
+  for code in "$@"; do
     if [[ -v ANSI[$code] ]]; then
       >/dev/tty echo -ne "\e[${ANSI[$code]}m"
     else
       >&2 echo "unknown ansi key: <$code>"
+      break
     fi
+  done
 }
 
 function print_miaou_error {
@@ -142,7 +145,7 @@ function dump_failure {
   for i in $(seq 1 $length_box); do echo -n '═'; done
   echo '╗'
   echo -n "║ $failure_type "
-  [[ -v failure_payload ]] && echo -n ' ' && tty_ansi FG_CYAN && echo -n "  $failure_payload  "
+  [[ -v failure_payload ]] && echo -n ' ' && tty_ansi BG_WHITE FG_BLACK && echo -n "  $failure_payload  " && tty_ansi RESET
   tty_ansi FG_YELLOW
   printf "%5s" "  $failure_code  "
   tty_ansi FG_MAGENTA