Enum std::env::VarError 1.0.0[−][src]
pub enum VarError {
NotPresent,
NotUnicode(OsString),
}The error type for operations interacting with environment variables.
Possibly returned from the env::var function.
Variants
NotPresentThe specified environment variable was not present in the current process's environment.
NotUnicode(OsString)The specified environment variable was found, but it did not contain valid unicode data. The found data is returned as a payload of this variant.
Trait Implementations
impl Debug for VarError[src]
impl Debug for VarErrorfn fmt(&self, f: &mut Formatter) -> Result[src]
fn fmt(&self, f: &mut Formatter) -> ResultFormats the value using the given formatter. Read more
impl PartialEq for VarError[src]
impl PartialEq for VarErrorfn eq(&self, other: &VarError) -> bool[src]
fn eq(&self, other: &VarError) -> boolThis method tests for self and other values to be equal, and is used by ==. Read more
fn ne(&self, other: &VarError) -> bool[src]
fn ne(&self, other: &VarError) -> boolThis method tests for !=.
impl Eq for VarError[src]
impl Eq for VarErrorimpl Clone for VarError[src]
impl Clone for VarErrorfn clone(&self) -> VarError[src]
fn clone(&self) -> VarErrorReturns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)[src]
fn clone_from(&mut self, source: &Self)Performs copy-assignment from source. Read more
impl Display for VarError[src]
impl Display for VarErrorfn fmt(&self, f: &mut Formatter) -> Result[src]
fn fmt(&self, f: &mut Formatter) -> ResultFormats the value using the given formatter. Read more
impl Error for VarError[src]
impl Error for VarError