[ANN] record library / gem v1.2 - named tuples / records with typed structs / schemas

[Gerald Bauer]

Hello,

I've updated the (new) record library / gem [1] that lets you define
named tuples / records with typed structs / schemas. How?



Step 1: Define a (typed) struct for your records / named tuples. Example:

require 'record'

Beer = Record.define do
field :brewery ## note: default type is :string
field :city
field :name
field :abv, Float ## allows type specified as class (or use :float)
end

# or in "classic" style:

class Beer < Record::Base
field :brewery
field :city
field :name
field :abv, Float
end


And now use the new class to create new (typed) records. Example:


beer = Beer.new( 'Andechser Klosterbrauerei',
'Andechs',
'Doppelbock Dunkel',
'7%' )

# -or-

values = ['Andechser Klosterbrauerei', 'Andechs', 'Doppelbock Dunkel', '7%']
beer = Beer.new( values )

# -or-

beer = Beer.new( brewery: 'Andechser Klosterbrauerei',
city: 'Andechs',
name: 'Doppelbock Dunkel',
abv: '7%' )

# -or-

hash = { brewery: 'Andechser Klosterbrauerei',
city: 'Andechs',
name: 'Doppelbock Dunkel',
abv: '7%' }
beer = Beer.new( hash )


# -or-

beer = Beer.new
beer.update( brewery: 'Andechser Klosterbrauerei',
city: 'Andechs',
name: 'Doppelbock Dunkel' )
beer.update( abv: 7.0 )

# -or-

beer = Beer.new
beer.parse( ['Andechser Klosterbrauerei', 'Andechs', 'Doppelbock
Dunkel', '7%'] )

# -or-

beer = Beer.new
beer.parse( 'Andechser Klosterbrauerei,Andechs,Doppelbock Dunkel,7%' )

# -or-

beer = Beer.new
beer.brewery = 'Andechser Klosterbrauerei'
beer.name = 'Doppelbock Dunkel'
beer.abv = 7.0



And so on. That's it.


Why? What for?
The (new) record library is "extracted" for easy (re)use from the
csvrecord library / gem [2] :-).



Cheers. Prost. Happy coding and data wrangling with ruby.

[1] https://github.com/rubycoco/record
[2] https://github.com/csvreader/csvrecord

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