Enum CachePolicy 

pub enum CachePolicy {
    Shared,
    Bypass,
}

Whether a given conversion consults the shared graphics cache.

The cache root is process-global, host-persistent state: it comes from LATEXML_GRAPHICS_CACHE_DIR, else $XDG_CACHE_HOME/latexml-oxide/graphics, which survives across runs and across unrelated conversions. A caller that needs its conversions to actually run — rather than be served from whatever a previous run on this host happened to leave behind — must be able to opt out, and must be able to do so without mutating the environment (set_var is process-wide and racy against every other thread). Hence an explicit, caller-threaded policy rather than another env var.

The env kill-switch LATEXML_GRAPHICS_CACHE_OFF=1 still applies independently, inside lookup / store.

Variants

Shared

Consult and populate the shared cache. The production default.

Bypass

Bypass the cache entirely: every conversion runs, nothing is read and nothing is stored. Used where the conversion itself is the observable under test, so a prior run’s cached output must not be able to substitute for it.

Trait Implementations

impl Clone for CachePolicy

fn clone(&self) -> CachePolicy

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for CachePolicy

impl Debug for CachePolicy

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

Formats the value using the given formatter.

impl Default for CachePolicy

fn default() -> CachePolicy

Returns the “default value” for a type.

impl Eq for CachePolicy

impl PartialEq for CachePolicy

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for CachePolicy