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/// // match args.entity_type {
// get_ast::EntityType::User(user_command) => user_command.delegate(),
// get_ast::EntityType::Video(video_command) => video_command.delegate(),
// get_ast::EntityType::View(view_command) => view_command.delegate(),
// }
///
/// ```
/// use syn::{Item, Visibility, Signature, Generics, Ident, Member, Block, Stmt, Expr, Pat, Path, PathSegment, PathArguments, ReturnType, Fn, Paren, Match, Brace, Arm, FatArrow, Comma, PathSep, Dot};
///
/// const exp: Item::Fn = Item::Fn {
/// attrs: [],
/// vis: Visibility::Inherited,
/// sig: Signature {
/// constness: None,
/// asyncness: None,
/// unsafety: None,
/// abi: None,
/// fn_token: Fn,
/// ident: Ident {
/// ident: "main",
/// span: #0 bytes(1428..1432),
/// },
/// generics: Generics {
/// lt_token: None,
/// params: [],
/// gt_token: None,
/// where_clause: None,
/// },
/// paren_token: Paren,
/// inputs: [],
/// variadic: None,
/// output: ReturnType::Default,
/// },
/// block: Block {
/// brace_token: Brace,
/// stmts: [
/// Stmt::Expr(
/// Expr::Match {
/// attrs: [],
/// match_token: Match,
/// expr: Expr::Field {
/// attrs: [],
/// base: Expr::Path {
/// attrs: [],
/// qself: None,
/// path: Path {
/// leading_colon: None,
/// segments: [
/// PathSegment {
/// ident: Ident {
/// ident: "args",
/// span: #0 bytes(1502..1506),
/// },
/// arguments: PathArguments::None,
/// },
/// ],
/// },
/// },
/// dot_token: Dot,
/// member: Member::Named(
/// Ident {
/// ident: "entity_type",
/// span: #0 bytes(1507..1518),
/// },
/// ),
/// },
/// brace_token: Brace,
/// arms: [
/// Arm {
/// attrs: [],
/// pat: Pat::TupleStruct {
/// attrs: [],
/// qself: None,
/// path: Path {
/// leading_colon: None,
/// segments: [
/// PathSegment {
/// ident: Ident {
/// ident: "get_ast",
/// span: #0 bytes(1529..1536),
/// },
/// arguments: PathArguments::None,
/// },
/// PathSep,
/// PathSegment {
/// ident: Ident {
/// ident: "EntityType",
/// span: #0 bytes(1538..1548),
/// },
/// arguments: PathArguments::None,
/// },
/// PathSep,
/// PathSegment {
/// ident: Ident {
/// ident: "User",
/// span: #0 bytes(1550..1554),
/// },
/// arguments: PathArguments::None,
/// },
/// ],
/// },
/// paren_token: Paren,
/// elems: [
/// Pat::Ident {
/// attrs: [],
/// by_ref: None,
/// mutability: None,
/// ident: Ident {
/// ident: "user_command",
/// span: #0 bytes(1555..1567),
/// },
/// subpat: None,
/// },
/// ],
/// },
/// guard: None,
/// fat_arrow_token: FatArrow,
/// body: Expr::MethodCall {
/// attrs: [],
/// receiver: Expr::Path {
/// attrs: [],
/// qself: None,
/// path: Path {
/// leading_colon: None,
/// segments: [
/// PathSegment {
/// ident: Ident {
/// ident: "user_command",
/// span: #0 bytes(1572..1584),
/// },
/// arguments: PathArguments::None,
/// },
/// ],
/// },
/// },
/// dot_token: Dot,
/// method: Ident {
/// ident: "delegate",
/// span: #0 bytes(1585..1593),
/// },
/// turbofish: None,
/// paren_token: Paren,
/// args: [],
/// },
/// comma: Some(
/// Comma,
/// ),
/// },
/// Arm {
/// attrs: [],
/// pat: Pat::TupleStruct {
/// attrs: [],
/// qself: None,
/// path: Path {
/// leading_colon: None,
/// segments: [
/// PathSegment {
/// ident: Ident {
/// ident: "get_ast",
/// span: #0 bytes(1605..1612),
/// },
/// arguments: PathArguments::None,
/// },
/// PathSep,
/// PathSegment {
/// ident: Ident {
/// ident: "EntityType",
/// span: #0 bytes(1614..1624),
/// },
/// arguments: PathArguments::None,
/// },
/// PathSep,
/// PathSegment {
/// ident: Ident {
/// ident: "Video",
/// span: #0 bytes(1626..1631),
/// },
/// arguments: PathArguments::None,
/// },
/// ],
/// },
/// paren_token: Paren,
/// elems: [
/// Pat::Ident {
/// attrs: [],
/// by_ref: None,
/// mutability: None,
/// ident: Ident {
/// ident: "video_command",
/// span: #0 bytes(1632..1645),
/// },
/// subpat: None,
/// },
/// ],
/// },
/// guard: None,
/// fat_arrow_token: FatArrow,
/// body: Expr::MethodCall {
/// attrs: [],
/// receiver: Expr::Path {
/// attrs: [],
/// qself: None,
/// path: Path {
/// leading_colon: None,
/// segments: [
/// PathSegment {
/// ident: Ident {
/// ident: "video_command",
/// span: #0 bytes(1650..1663),
/// },
/// arguments: PathArguments::None,
/// },
/// ],
/// },
/// },
/// dot_token: Dot,
/// method: Ident {
/// ident: "delegate",
/// span: #0 bytes(1664..1672),
/// },
/// turbofish: None,
/// paren_token: Paren,
/// args: [],
/// },
/// comma: Some(
/// Comma,
/// ),
/// },
/// Arm {
/// attrs: [],
/// pat: Pat::TupleStruct {
/// attrs: [],
/// qself: None,
/// path: Path {
/// leading_colon: None,
/// segments: [
/// PathSegment {
/// ident: Ident {
/// ident: "get_ast",
/// span: #0 bytes(1684..1691),
/// },
/// arguments: PathArguments::None,
/// },
/// PathSep,
/// PathSegment {
/// ident: Ident {
/// ident: "EntityType",
/// span: #0 bytes(1693..1703),
/// },
/// arguments: PathArguments::None,
/// },
/// PathSep,
/// PathSegment {
/// ident: Ident {
/// ident: "View",
/// span: #0 bytes(1705..1709),
/// },
/// arguments: PathArguments::None,
/// },
/// ],
/// },
/// paren_token: Paren,
/// elems: [
/// Pat::Ident {
/// attrs: [],
/// by_ref: None,
/// mutability: None,
/// ident: Ident {
/// ident: "view_command",
/// span: #0 bytes(1710..1722),
/// },
/// subpat: None,
/// },
/// ],
/// },
/// guard: None,
/// fat_arrow_token: FatArrow,
/// body: Expr::MethodCall {
/// attrs: [],
/// receiver: Expr::Path {
/// attrs: [],
/// qself: None,
/// path: Path {
/// leading_colon: None,
/// segments: [
/// PathSegment {
/// ident: Ident {
/// ident: "view_command",
/// span: #0 bytes(1727..1739),
/// },
/// arguments: PathArguments::None,
/// },
/// ],
/// },
/// },
/// dot_token: Dot,
/// method: Ident {
/// ident: "delegate",
/// span: #0 bytes(1740..1748),
/// },
/// turbofish: None,
/// paren_token: Paren,
/// args: [],
/// },
/// comma: Some(
/// Comma,
/// ),
/// },
/// ],
/// },
/// None,
/// ),
/// ],
/// },
/// };
/// ```