Simple Calculator app

How to setup ?

• Install ruby version 3.2.4
• Run bundle install
• Run rspec

File structure

Under app/services, these files are present:

• ExtractDelimiterService - This is used to parse and extract any custom delimiter that is present at the start of the input string.
• InputParserService - This is used to parse the input string and fetch the numbers from it.
• SimpleCalculatorService - This is the main file which uses previous services to parse the string and calculate the sum.

Test cases are written in rspec and present under spec/ folder.