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field::as_date (1 of 2 overloads)

Retrieves a reference to the underlying date value or throws an exception.

Synopsis
const date&
as_date() const;
Exception safety

Strong guarantee. Throws on type mismatch.

Exceptions

Type

Thrown On

bad_field_access

If !this->is_date()

Object lifetimes

The returned reference is valid as long as *this is alive and no function that invalidates references is called on *this.


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