Hi, again. Still new to Hobo.

I added an attribute accessor on a model to return a value formatted
to 3 decimal places.

For a 'show' view on this object, the accessor works nicely.

But when Hobo is rendering a view of this object's parent with an
inline edit form, and (I'm gathering) adding this field as a hidden
field, it's throwing a 'can't convert nil into Float' error.

How do I check if this attribute is nil when it's being rendered as a
hidden field?


  fields do
    name                  :string
    instrument_no    :float, :default => 0
    timestamps
  end

def instrument_no
    if [condition to detect that attribute is not nil to go here!]
      "%0.3f" % read_attribute(:instrument_no)
    end
end

Any pointers?
Tim

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