Commits on Apr 18, 2024

1. Allow multi-flag parameters …

   Some tools need to allow the repeated input of certain valueless parameters. One such example is the use of `v` for `verbose`, where the addition of more v's increases the verbosity of the output. This behavior can be seen in tools such as curl and ssh.
   
   Prior to this change, when the `:multi` option was passed in to a `:flag` or `:boolean` parameter, the parser would return either a a `true` value or an empty array depending on if the flag was passed in the command line or not.
   
   After this change, the `:flag` with `:multi` set will instead count the number of times the flag was passed. Flag options without `:multi` set still exhibit the original behavior of simple `true`/`false` values.
   
   Example config:
   ```ruby
   opts = Optimist::options do
       opt :verbose, "Enables verbose output. Twice will enable very-verbose output", multi: true
   end
   ```
   
   Before change:
   ```
   $ mytool
   {:verbose => []}
   
   $ mytool -vvv
   {:verbose => true}
   ```
   
   After change:
   ```
   $ mytool
   {:verbose => 0}
   
   $ mytool -vv
   {:verbose => 3}
   ```

   

   akhoury6 committed Apr 18, 2024
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2. Fixed tests to account for new behavior & added new commit.

   

   akhoury6 committed Apr 18, 2024
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