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style.md#errors - Nesting can be removed in example of Error Types section #200

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PraveenUpadhyay opened this issue Nov 10, 2023 · 0 comments

PraveenUpadhyay commented Nov 10, 2023 •

edited

I feel we can remove the nesting from the code present in "Error Types" section under "Error" Category in Style.md file

From -

// package foo

var ErrCouldNotOpen = errors.New("could not open")

func Open() error {
  return ErrCouldNotOpen
}

// package bar

if err := foo.Open(); err != nil {
  if errors.Is(err, foo.ErrCouldNotOpen) {
    // handle the error
  } else {
    panic("unknown error")
  }
}

To -

// package foo

var ErrCouldNotOpen = errors.New("could not open")

func Open() error {
  return ErrCouldNotOpen
}

// package bar
err := foo.Open();
if errors.Is(err, foo.ErrCouldNotOpen) {
    // handle the error
} else if err!=nil {
    panic("unknown error")
}

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