We will build an application to index and search documents. This is a feature that we use every time we access the internet using one of the search portals such as Google, Bing, or DuckDuckGo. This is also a feature which some sites provide with the help of a search engine.
We will build a search engine application in the next few chapters by drawing inspiration from existing technologies such as Google, the Solr search engine, and goroutines. The name of our application is a play on these three technologies.
Imagine searching for a phrase on any search portal; on submitting our query we get a list of links with snippets of text containing terms from our search phrase. Many times the first few links tend to be the relevant web page or document that we were looking for. How is it possible to get the list of the most relevant documents? The way in which Google or...