usemiden_core::WORD_SIZE;/// System columns in the main execution trace (6 columns).
////// These columns track global execution state: clock cycle, execution context, and
/// the function hash (digest) of the currently executing function.
#[repr(C)]pubstructSystemCols<T>{/// Clock cycle counter.
pubclk: T,
/// Context identifier.
pubctx: T,
/// Function hash (digest) of the currently executing function.
pubfn_hash: [T; WORD_SIZE],
}