macro_rules! define_index_ops_mut { ($T:ident, $MemoryType:ty) => { ... }; ($T0: ident, $T:ident, $MemoryType:ty) => { ... }; }
macro_rules! define_index_ops_mut { ($T:ident, $MemoryType:ty) => { ... }; ($T0: ident, $T:ident, $MemoryType:ty) => { ... }; }