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>
Dyn Compatibility§
This trait is not dyn compatible.
In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.