Rubyはエラー
$ cat main.rb
printf "010: %d\n", 010
printf "00.1: %f\n", 00.1
$ ruby main.rb
main.rb:2: unexpected fraction part after numeric literal
printf "00.1: %f\n", 00.1
^
Rubyはエラー
$ cat main.rb
printf "010: %d\n", 010
printf "00.1: %f\n", 00.1
$ ruby main.rb
main.rb:2: unexpected fraction part after numeric literal
printf "00.1: %f\n", 00.1
^