pub trait SingleMetadataVal: MetadataVal {
// Required methods
fn to_array_metadata_value(vec: Vec<Self>) -> MetadataValue;
fn from_array_metadata_value(
entry: MetadataValue
) -> Result<Vec<Self>, MetadataConversionError>;
}
Required Methods§
fn to_array_metadata_value(vec: Vec<Self>) -> MetadataValue
fn from_array_metadata_value( entry: MetadataValue ) -> Result<Vec<Self>, MetadataConversionError>
Object Safety§
This trait is not object safe.