Boost C++ Libraries

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field_view::as_string

Retrieves the underlying value as a string or throws an exception.

Synopsis

constexpr string_view
as_string() const;

Exception safety

Strong guarantee. Throws on type mismatch.

Exceptions

Type	Thrown On
`bad_field_access`	If `!this->is_string()`

Object lifetimes

The returned view has the same lifetime rules as *this (it's valid as long as *this is valid).