unicode - ContainsRune giving strange results -

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i'm running code in go playground:

fmt.println(strings.containsrune("\xa0", '\xa0'))

i'm wondering, why output false? according docs, says:

containsrune returns true if unicode code point r within s.

it seems me code point there, seems strange give false response.

"\x0a" not unicode code point.

fmt.println(strings.containsrune("\u00a0", '\u00a0'))

works, expected.


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