learngo/interfaces/log-parser/refactor-notes/refactor-03-deprecated/changes.md

PROBLEM

• parser.go/parse() also does updating. back to square one.

  • we need to extract the reusable behavior: scanning.

• inflexible:

  • adding a filter is hard. needs to change the scan() code.
  • adding a grouper is also hard. domain grouping is hardcoded.

SOLUTION

IDEAS:

• make domain filter accept variadic args