Hands-On Design Patterns and Best Practices with Julia

Fetching details about a story

Given a story ID, we can retrieve information about the story using the item endpoint of the Hacker News API. Before we write the function, let's define a type to store the data:

struct Story    by::String    descendants::Union{Nothing,Int}    score::Int    time::Int    id::Int    title::String    kids::Union{Nothing,Vector{Int}}    url::Union{Nothing,String}end

The fields of a Story are designed according to the JSON schema documented on the Hacker News API website. Sometimes, a field may be unavailable for certain story types, in which case we will leave them as nothing in the object. These optional fields include descendants, kids, and url. Lastly, every story comes with a unique identifier id. 

We need a constructor to create ...