1.0.0[][src]Enum std::env::VarError

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

The error type for operations interacting with environment variables. Possibly returned from the env::var function.

Variants

The specified environment variable was not present in the current process's environment.

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 Error for VarError
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Deprecating in 1.33.0

: replaced by Error::source, which can support downcasting

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

The lower-level source of this error, if any. Read more

impl Display for VarError
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impl Debug for VarError
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impl PartialEq<VarError> for VarError
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impl Eq for VarError
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impl Clone for VarError
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Performs copy-assignment from source. Read more

Auto Trait Implementations

impl Send for VarError

impl Sync for VarError

Blanket Implementations

impl<T> From for T
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impl<T, U> TryFrom for T where
    T: From<U>, 
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🔬 This is a nightly-only experimental API. (try_from #33417)

The type returned in the event of a conversion error.

impl<T, U> TryInto for T where
    U: TryFrom<T>, 
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🔬 This is a nightly-only experimental API. (try_from #33417)

The type returned in the event of a conversion error.

impl<T, U> Into for T where
    U: From<T>, 
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impl<T> Borrow for T where
    T: ?Sized
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impl<T> BorrowMut for T where
    T: ?Sized
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impl<T> Any for T where
    T: 'static + ?Sized
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impl<T> ToOwned for T where
    T: Clone
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impl<T> ToString for T where
    T: Display + ?Sized
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