string::subview

`string::subview`

Return a view.

string_view
subview(
    std::size_t pos,
    std::size_t count = string::npos) const; (1)

string_view
subview() const noexcept; (2)

Strong guarantee.

Name Description

Name	Description
`pos`	The index of the first character of the substring.
`count`	The length of the substring.

pos

The index of the first character of the substring.

count

The length of the substring.

Type Thrown On

Type	Thrown On
`boost::system::system_error`	`pos >` `size()`.

boost::system::system_error

pos > size().