pub trait NoneSignedBuilder: FormattedValueNoneBuilder {
    type Signed;

    // Required methods
    fn none_signed() -> Self::Signed;
    fn none_signed_for_format(format: Format) -> Self::Signed;
}

Required Associated Types§

Required Methods§

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fn none_signed() -> Self::Signed

Returns the None value for Self as a Signed<FullRange> if such a value can be represented.

See details in FormattedValueNoneBuilder::none.

§Panics

Panics if Self is GenericFormattedValue in which case, the Format must be known.

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fn none_signed_for_format(format: Format) -> Self::Signed

Returns the None value for Self as a Signed<FullRange>, if such a value can be represented.

See details in FormattedValueNoneBuilder::none_for_format.

§Panics

Panics if None can’t be represented by Self for format or by the requested GenericFormattedValue variant.

Object Safety§

This trait is not object safe.

Implementors§