Need for clarification on go1.13-errors blog page

[Reha S]

Hi Everyone, 

On https://blog.golang.org/go1.13-errors there's a sentence: 

"It is usually better to use errors.Is or errors.As, however, since these functions will examine the entire chain in a single call." 

This sentence sounds like it has more to it, or the word however is an extra word. If both are not true, could someone explain what it means please?

New to golang and first time posting here so I'm not sure if this is the right format or the place. Some guidance on that would be much appreciated. 

Best,
Reha

[Axel Wagner]

You can put the "however" at the beginning of the sentence:

"The errors package also includes a new Unwrap function […]. However, it is usually better to use errors.Is or errors.As, since these functions will examine the entire chain in a single call."

This is the intended meaning. I agree that it's a bit janky as it is.

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[Reha S]

Great, thanks.