I am new to rails. I read some examples and don't understand rails erb
syntax. There is a piece of code I am not familiar:
<% form_for(@bay_info) do |f| %>
<%= f.error_messages %>
<p>
<%= f.label :HostName %><br />
<%= f.text_field :HostName %>
</p>
...
I wander what f mean. What is its type? How can I find its definition?
thanks.
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