Struct SearchRoots 

pub struct SearchRoots {
    pub host_override: Option<PathBuf>,
    pub mount_root: Option<PathBuf>,
    pub user_root: Option<PathBuf>,
    pub system_root: Option<PathBuf>,
    pub executable: Option<PathBuf>,
}

The places the engine is looked for, in order.

Fields

host_override: Option<PathBuf>

HOST_OVERRIDE_ENV.

mount_root: Option<PathBuf>

The launcher’s mount root (MOUNT_ROOT).

user_root: Option<PathBuf>

The per-user runtime root.

system_root: Option<PathBuf>

The image’s runtime root (SYSTEM_ROOT).

executable: Option<PathBuf>

The running executable, for the macOS app layout.

Implementations

impl SearchRoots

pub fn current() -> SearchRoots

The roots of the running process.

pub fn candidates(&self) -> Vec<PathBuf>

Every host path, in the order they are tried.

pub fn locate(&self) -> Result<PathBuf, RuntimeMissing>

The first installed host.

Errors

Returns RuntimeMissing naming every place checked when none holds the host.

Trait Implementations

impl Clone for SearchRoots

fn clone(&self) -> SearchRoots

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SearchRoots

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

Formats the value using the given formatter.

impl Default for SearchRoots

fn default() -> SearchRoots

Returns the “default value” for a type.