Struct build_env::VarError

pub struct VarError<K: AsRef<OsStr>> { /* fields omitted */ }

Describes a variable retrieval failure

Trait Implementations

impl<K: Debug + AsRef<OsStr>> Debug for VarError<K>

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.

impl<K: Clone + AsRef<OsStr>> Clone for VarError<K>

fn clone(&self) -> VarError<K>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<K: AsRef<OsStr>> Display for VarError<K>

fn fmt(&self, fmt: &mut Formatter) -> Result

Formats the value using the given formatter.

impl<K: AsRef<OsStr> + Debug + Any> Error for VarError<K>

fn description(&self) -> &str

A short description of the error.

fn cause(&self) -> Option<&Error>

The lower-level cause of this error, if any.