Struct SystemIdentityEnv 

pub struct SystemIdentityEnv;

Environment provider backed by the current process environment.

Trait Implementations

impl Clone for SystemIdentityEnv

fn clone(&self) -> SystemIdentityEnv

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for SystemIdentityEnv

impl Debug for SystemIdentityEnv

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

Formats the value using the given formatter.

impl Default for SystemIdentityEnv

fn default() -> SystemIdentityEnv

Returns the “default value” for a type.

impl IdentityEnv for SystemIdentityEnv

fn var(&self, key: &str) -> Option<String>

Return a UTF-8 environment variable, if it exists and is valid Unicode.

fn var_os(&self, key: &str) -> Option<OsString>

Return a raw environment variable value, preserving non-UTF-8 bytes on Unix.