Rails attribute on manual array

Question

In my controller I have:

@payment_types = [['Cash' ,'1'], ['Card', '2']]

What I'm trying to achieve is to show in view Cash and Card while writing on database 1 and 2.

In my view I tried:

<% payment_types.each do |payment_type| %>
  <%= payment_type %>
<% end %>

which shows ['Cash' ,'1'] ['Card', '2']]

How can I show instead in my view Cash or Card?

Marek Lipka · Accepted Answer · 2018-12-06 16:11:45Z

6

I'm not sure if I understand your question, but if you want to show only 'Cash', and 'Card', you can do it by passing another argument (responsible for hash value, I called it _ because it's a convention for unused arguments) to your block, like this:

<% payment_types.each do |payment_type, _| %>
  <%= payment_type %>
<% end %>

edited Dec 6, 2018 at 16:11

answered Dec 6, 2018 at 13:04

Marek Lipka

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1 Comment

catmal Over a year ago

Yes that's what I was looking for. Thanks!

Robbert van Elk · Accepted Answer · 2018-12-06 14:42:31Z

2

You could also do it like this

<% payment_types.each do |payment_type| %>
  <%= payment_type.first %>
<% end %>

edited Dec 6, 2018 at 14:42

answered Dec 6, 2018 at 14:37

Robbert van Elk

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2 Comments

catmal Over a year ago

Yes this works too, and I can access also to payment_type.second etc.. Good to know.. Thanks!

Robbert van Elk Over a year ago

This way you can add extra content to youre arrays and still can acces this from payment_type

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