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###### authority_view::authority_view (2 of 3 overloads)

Construct from a string.

###### Synopsis

    authority_view(
        core::string_view s);

###### Description

This function attempts to construct an authority from the string `s`, which must be a valid ['authority] or else an exception is thrown. Upon successful construction, the view refers to the characters in the buffer pointed to by `s`. Ownership is not transferred; The caller is responsible for ensuring that the lifetime of the buffer extends until the view is destroyed.

###### BNF

    authority     = [ userinfo "@" ] host [ ":" port ]

    userinfo      = user [ ":" [ password ] ]

    user          = *( unreserved / pct-encoded / sub-delims )
    password      = *( unreserved / pct-encoded / sub-delims / ":" )

    host          = IP-literal / IPv4address / reg-name

    port          = *DIGIT

###### Specification

- 3.2. Authority (rfc3986)

###### See Also

`parse_authority`.