Update to 1.9 syntax for hashes

[steveklabnik]

Rails especially is now using 1.9 everywhere as of Rails 4, so we should convert over at some point. Especially since we introduce hashes after symbols.

[kytrinyx]

Should we also add a section that describes the old-school hash syntax and explain that you can have non-symbol keys?

[kytrinyx]

Should we also add a section that describes the old-school hash syntax and explain that you can have non-symbol keys?

[steveklabnik]

That's probably a good idea.

[steveklabnik]

That's probably a good idea.

[steveklabnik]

This isn't truly done yet, because we need to change all the existing code to the new style too.

[steveklabnik]

This isn't truly done yet, because we need to change all the existing code to the new style too.

[kytrinyx]

Got it :)

[kytrinyx]

Got it :)

[kytrinyx]

@steveklabnik What about active record validations? The rails guides use the old-school hash syntax

[kytrinyx]

@steveklabnik What about active record validations? The rails guides use the old-school hash syntax

[steveklabnik]

The edge guides do not: http://edgeguides.rubyonrails.org/active_record_validations_callbacks.html#using-a-symbol-with-if-and-unless

[steveklabnik]

The edge guides do not: http://edgeguides.rubyonrails.org/active_record_validations_callbacks.html#using-a-symbol-with-if-and-unless