From: "David A. Black" <dblack@...>
Date: 2007-10-22T01:39:46+09:00
Subject: Re: "with" statement

Hi --

On Mon, 22 Oct 2007, Perry Smith wrote:

> Pascal has a with statement.  (I'm showing my age).  It would be nice
> instead of:
>
>    <td><%= h relationship.parent_id %></td>
>    <td><%= h relationship.link_type.pcln %></td>
>    <td><%= h relationship.child_id %></td>
>    <td><%= h relationship.active %></td>
>    <td><%= h relationship.notes %></td>
>    <td><%= h relationship.created_at %></td>
>    <td><%= h relationship.updated_at %></td>
>
> I could do:
>
>    with(relationship) {
>      <td><%= h parent_id %></td>
>      <td><%= h link_type.pcln %></td>
>      <td><%= h child_id %></td>
>      <td><%= h active %></td>
>      <td><%= h notes %></td>
>      <td><%= h created_at %></td>
>      <td><%= h updated_at %></td>
>    }

You can use instance_eval:

david-a-blacks-computer:~ dblack$ erb
<% a = "hi" %>
<% a.instance_eval do %>
   <%= upcase %>
<% end %>
^D

   HI


David

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