macro_rules! member_expr {
($span:expr, $first:ident) => { ... };
($span:expr, $first:ident . $($rest:tt)+) => { ... };
(@EXT, $span:expr, $obj:expr, $first:ident . $($rest:tt)* ) => { ... };
(@EXT, $span:expr, $obj:expr, $first:ident) => { ... };
}
Creates a member expression.
member_expr!(span, Function.bind.apply);
Returns Box