entity.rs

bitflag TextFormatting: u8 {
	BOLD,
	ITLALIC,
	MONOSPACE,
	UNDERLINE,
	STRIKETHROUGH,
	SPOILER
}

enum TextEntity {
	Text
	Emoji
	Code { syn: TextSpan }
	Link { uri: TextSpan }
}

struct TextEntity {
	type: TextEntity
	text: TextSpan
	full_span: TextSpan
	formatting: TextFormatting
	entities: Vec<TextEntity>
} 

enum MessageEntity {
	Text { entities: Vec<TextEntity> },
	Expr { type: TextSpan, expr: TextSpan, full_span: TextSpan },
	Image { uri: TextSpan, alt: Option<TextSpan> },
	Blockquote { entities: Vec<TextEntity> }
}