Catmandu::Fix::add_field - add or change the value of a HASH key or ARRAY index

       Contrary to "set_field", this will create the intermediate structures if they are missing.

       Catmandu::Fix::add_field - add or change the value of a HASH key or ARRAY index

       Catmandu::Fix

perl v5.40.0                                       2025-01-17                      Catmandu::Fix::add_field(3pm)

          # Add a new field 'foo' with value 2
          add_field(foo, 2)

          # Change the value of 'foo' to 'bar 123'
          add_field(foo, 'bar 123')

          # Create a deeply nested key
          add_field(my.deep.nested.key, hi)

          # If the second argument is omitted the field has a null value
          add_field(foo)