Trait OptionalMetadataBlock 

pub trait OptionalMetadataBlock: MetadataBlock + OptionalMetadataBlock {
    const OPTIONAL_TYPE: OptionalBlockType;
}

A type of FLAC metadata block which is not required

The STREAMINFO block is required. All others are optional.

Required Associated Constants

const OPTIONAL_TYPE: OptionalBlockType

Our optional block type

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.

Implementors

impl OptionalMetadataBlock for Cuesheet

const OPTIONAL_TYPE: OptionalBlockType = OptionalBlockType::Cuesheet

impl OptionalMetadataBlock for Application

const OPTIONAL_TYPE: OptionalBlockType = OptionalBlockType::Application

impl OptionalMetadataBlock for Padding

const OPTIONAL_TYPE: OptionalBlockType = OptionalBlockType::Padding

impl OptionalMetadataBlock for Picture

const OPTIONAL_TYPE: OptionalBlockType = OptionalBlockType::Picture

impl OptionalMetadataBlock for SeekTable

const OPTIONAL_TYPE: OptionalBlockType = OptionalBlockType::SeekTable

impl OptionalMetadataBlock for VorbisComment

const OPTIONAL_TYPE: OptionalBlockType = OptionalBlockType::VorbisComment