linters

Add real world examples #773

Annotations

10 errors and 1 warning

assignOp: replace `header = header | byte(24)` with `header |= byte(24)` (gocritic)

assignOp: replace `header = header | byte(25)` with `header |= byte(25)` (gocritic)

assignOp: replace `header = header | byte(26)` with `header |= byte(26)` (gocritic)

assignOp: replace `header = header | byte(mapLen)` with `header |= byte(mapLen)` (gocritic)

sloppyReassign: re-assignment to `err` can be replaced with `err := o.Add(key, val)` (gocritic)

unnamedResult: consider giving a name to these results (gocritic)

hugeParam: o is heavy (112 bytes); consider passing it by pointer (gocritic)

hugeParam: o is heavy (112 bytes); consider passing it by pointer (gocritic)

hugeParam: o is heavy (112 bytes); consider passing it by pointer (gocritic)

hugeParam: o is heavy (112 bytes); consider passing it by pointer (gocritic)

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/setup-go@v2, actions/checkout@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/