Enum std::env::VarErrorStable [-] [+] [src]

pub enum VarError {
    NotPresent,
    NotUnicode(OsString),
}

Possible errors from the env::var method.

Variants

`NotPresent`	The specified environment variable was not present in the current process's environment.
`NotUnicode`	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 Display for VarError`

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

`impl Error for VarError`

`fn description(&self) -> &str`

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

Derived Implementations

`impl Clone for VarError`

`fn clone(&self) -> VarError`

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

`impl Eq for VarError`

`impl PartialEq for VarError`

`fn eq(&self, __arg_0: &VarError) -> bool`

`fn ne(&self, __arg_0: &VarError) -> bool`

`impl Debug for VarError`

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