Macro dispatch_vector_inner 

macro_rules! dispatch_vector_inner {
    ($vis:vis fn $method:ident $helper_method:ident(&self, other: &$other:tt $(, $arg:ident: $ty:ty )* ) $(-> $ret:ty)?) => { ... };
    ($vis:vis fn $method:ident $helper_method:ident(&mut self, other: &$other:tt $(, $arg:ident: $ty:ty )* ) $(-> $ret:ty)?) => { ... };
    ($vis:vis fn $method:ident $helper_method:ident(&mut self, other: $other:tt $(, $arg:ident: $ty:ty )* ) $(-> $ret:ty)?) => { ... };
    ($vis:vis fn $method:ident $helper_method:ident(&mut self $(, $arg:ident: $ty:ty )*, @left: $other1:tt, right: $other2:tt ) $(-> $ret:ty)?) => { ... };
    ($vis:vis fn $method:ident $helper_method:ident(&mut self $(, $arg:ident: $ty:ty )* ) -> (dispatch $ret:path)) => { ... };
    ($vis:vis fn $method:ident $helper_method:ident(&self $(, $arg:ident: $ty:ty )* ) -> (dispatch $ret:path)) => { ... };
    ($vis:vis fn $method:ident $helper_method:ident(self $(, $arg:ident: $ty:ty )* ) -> (dispatch $ret:path)) => { ... };
    ($vis:vis fn $method:ident $helper_method:ident(&mut self $(, $arg:ident: $ty:ty )* ) $(-> $ret:ty)?) => { ... };
    ($vis:vis fn $method:ident $helper_method:ident(&self $(, $arg:ident: $ty:ty )* ) $(-> $ret:ty)?) => { ... };
    ($vis:vis fn $method:ident $helper_method:ident(self $(, $arg:ident: $ty:ty )* ) $(-> $ret:ty)?) => { ... };
}