Special syntax for dictionaries

[Tim Fletcher]

> Just to be correct it is not Ruby style but Perl style

Surely it's still in the style of Ruby, even if the style originated
elsewhere? :)

> it was found brief enough even in Perl sense.

Sure, I like it, but the { : } combo is half as many characters for
the delimiters as the <{ => }> combo. Just trying to compare the
alternatives.

Syntax aside, frames/structs would be nice to have.

Tim