From: Kenichi Kamiya <lists@...>
Date: 2012-04-06T04:16:48+09:00
Subject: Re: Call for comments - Structure

Hal Fulton wrote in post #1055070:
> Greetings, fellow Rubyists...

Hi!
"The Ruby Way" book is one of my Mentors :)

> I am revisiting a small project that has lain dormant for
> some time...
>
> http://github.com/Hal9000/Structure

I'm writing a gem too, and i think that likes your project.
https://github.com/kachick/striuct

>
> As I make changes and improvements, I'd be interested in
> hearing your comments.

My first impression is below.

>   # to_ary will allow a struct to be treated like an array in
>   # multiple assignment
>   myStruct = Structure.new("alpha","beta","gamma")
>   x = myStruct.new(7,8,9)
>   a,b,c = x
>   assert(b == 8)
>
>   # to_ary will allow a struct to be treated like an array in
>   # passed parameters
>   myStruct = Structure.new("alpha","beta","gamma")
>   x = myStruct.new(7,8,9)
>   b = meth(*x)
>
>   # to_hash will return a hash with fields as keys
>   myStruct = Structure.new("alpha","beta","gamma")
>   x = myStruct.new(7,8,9)
>   h = x.to_hash
>   assert_equal({"alpha"=>7,"beta"=>8,"gamma"=>9},h)
>

I guess, this cast method names are expected in some special cases.
  #to_ary, #to_hash (e.g.: #to_str, #to_int)

I recommend below names in our project.
  #to_a, #to_h, #to_s, #to_i

Kenichi

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