//! Provides `isize` and `usize` use cfg_if::cfg_if; cfg_if! { if #[cfg(target_pointer_width = "8")] { crate type isize_ = i8; crate type usize_ = u8; } else if #[cfg(target_pointer_width = "16")] { crate type isize_ = i16; crate type usize_ = u16; } else if #[cfg(target_pointer_width = "32")] { crate type isize_ = i32; crate type usize_ = u32; } else if #[cfg(target_pointer_width = "64")] { crate type isize_ = i64; crate type usize_ = u64; } else if #[cfg(target_pointer_width = "64")] { crate type isize_ = i64; crate type usize_ = u64; } else if #[cfg(target_pointer_width = "128")] { crate type isize_ = i128; crate type usize_ = u128; } else { compile_error!("unsupported target_pointer_width"); } }