Enum Absence 

pub enum Absence {
    NotCompiled,
    ExpectedAbsent(String),
    CompiledOut {
        macro_name: String,
        requires: Instr,
    },
    NotNative(Instr),
}

2026-09-30: Why a kernel is not available on the device.

Variants

NotCompiled

2026-09-30: The class does not compile the module, or the module does not name it.

ExpectedAbsent(String)

2026-09-30: A MODEL.toml [expected_absent] entry, with its reason.

CompiledOut

2026-09-30: The class’s build flags define the macro that compiles its region out.

Fields

macro_name: String

2026-09-30: The macro.

requires: Instr

2026-09-30: What the region needs.

NotNative(Instr)

2026-09-30: The device does not run the region’s instruction kind.

Implementations

impl Absence

pub fn describe(&self) -> String

2026-09-30: One line for the report.

Trait Implementations

impl Clone for Absence

fn clone(&self) -> Absence

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Absence

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq for Absence

fn eq(&self, other: &Absence) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for Absence

impl StructuralPartialEq for Absence