Class Param

crates/rustc_codegen_spirv/src/linker/specializer.rs:299–299

// FIXME(eddyb) use `rustc_index` for this instead.
#[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
struct Param(u32);

impl fmt::Display for Param {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {