Dart does this to some extent. You can just declare general values with `var`, a number with `num` and then doubles or ints. https://dartpad.dartlang.org/f7559

Dart does this to some extent. You can just declare general values with `var`, a number with `num` and then doubles or ints. https://dartpad.dartlang.org/f7559a6cf27ba0410699fac3d0042699 https://dartpad.dartlang.org/f7559a6cf27ba0410699fac3d004269... https://www.dartlang.org/guides/language/language-tour#numbers https://www.dartlang.org/guides/language/language-tour#numbe...