Passing multiple arguments to variable argument ruby method using array [duplicate]

Question

I'm working with a ruby gem right now that takes in a variable number of arguments (to be specific, it's the axlsx gem).

I'm using the column_widths function, defined as:

def column_widths(*widths)
  widths.each_with_index do |value, index|
    next if value == nil
    Axlsx::validate_unsigned_numeric(value) unless value == nil
    find_or_create_column_info(index).width = value
  end
end

I have a dynamic number of widths that need to be set (because the number of columns varies), so I tried creating an array of widths and passing that in, but it treats the array as a single argument.

How can I pass in the array as a list of arguments?

Edit:

The actual error is:

Invalid Data [30, 13, 20, 13, 20, 13, 20, 13, 10, 10, 10, 13, 20, 10] for Invalid column width. must be [Fixnum, Integer, Float]

I think you're doing ok, what is the actual error? Btw, this question looks identical. — Lucio
– Lucio, Commented Sep 24, 2015 at 5:30
edited to reflect the actual error, and I looked at that, but it didn't answer my question or solve my problem — mosquito242
– mosquito242, Commented Sep 24, 2015 at 7:32
nevermind @Lucio, you're right - I saw that but somehow I skipped over the answers other than the top one. my bad. — mosquito242
– mosquito242, Commented Sep 24, 2015 at 7:37

Amadan · Accepted Answer · 2015-09-24 05:28:41Z

7

You can use the splat both at method definition and method invocation. This should work:

column_widths(*array_of_widths)

answered Sep 24, 2015 at 5:28

Amadan

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1 Comment

mosquito242 Over a year ago

that worked - thanks

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