Macro any_expr_enum 

macro_rules! any_expr_enum {
    ($vis:vis $name:ident : $($v:ident),+ $(,)?) => { ... };
    (strict  $vis:vis $name:ident : $($v:ident),+ $(,)?) => { ... };
    (@impl_strict $vis:vis $name:ident; $($v:ident),+) => { ... };
    (@impl_permissive $vis:vis $name:ident; $($v:ident),+) => { ... };
    (@ty Path) => { ... };
    (@ty Call) => { ... };
    (@ty MethodCall) => { ... };
    (@ty Closure) => { ... };
    (@ty Macro) => { ... };
    (@ty Lit) => { ... };
    (@ty Array) => { ... };
    (@ty Tuple) => { ... };
    (@ty Struct) => { ... };
    (@ty Paren) => { ... };
    (@ty Binary) => { ... };
    (@ty Unary) => { ... };
    (@ty Block) => { ... };
    (@ty If) => { ... };
    (@ty Match) => { ... };
    (@ty Field) => { ... };
    (@ty Index) => { ... };
    (@ty Range) => { ... };
    (@ty Repeat) => { ... };
    (@ty Reference) => { ... };
    (@ty Cast) => { ... };
    (@ty Let) => { ... };
    (@impls $name:ident) => { ... };
}

example usage: any_expr_enum!(strict pub AnyExprCallPathClosure: Path, Call, Closure); any_expr_enum!(strict AnyExprCall: Call); any_expr_enum!(AnyExprCallPathClosure: Path, Call, Closure); any_expr_enum!(pub AnyExprCallPathClosure: Path, Call, Closure);