# Struct reqwest::header::ToStrError [−] [src]

    pub struct ToStrError { /* fields omitted */ }

A possible error when converting a `HeaderValue` to a string representation.

Header field values may contain opaque bytes, in which case it is not possible to represent the value as a string.

## Trait Implementations

### `impl Debug for ToStrError` [src]

#### `pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>` [src]

Formats the value using the given formatter. Read more

### `impl Display for ToStrError` [src]

#### `pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>` [src]

Formats the value using the given formatter. Read more

### `impl Error for ToStrError` [src]

#### `pub fn source(&self) -> Option<&(dyn Error + 'static)>`1.30.0 [src]

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

#### `pub fn backtrace(&self) -> Option<&Backtrace>` [src]

🔬 This is a nightly-only experimental API. (`backtrace`)

Returns a stack backtrace, if available, of where this error occurred. Read more

#### `pub fn description(&self) -> &str` 1.0.0 [src]

👎 Deprecated since 1.42.0:

use the Display impl or to_string()

Read more

#### `pub fn cause(&self) -> Option<&dyn Error>`1.0.0 [src]

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

## Auto Trait Implementations

### `impl RefUnwindSafe for ToStrError`

### `impl Send for ToStrError`

### `impl Sync for ToStrError`

### `impl Unpin for ToStrError`

### `impl UnwindSafe for ToStrError`

## Blanket Implementations

### `impl<T> Any for T where
T: 'static + ?Sized,` [src]

#### `pub fn type_id(&self) -> TypeId` [src]

Gets the `TypeId` of `self`. Read more

### `impl<T> Borrow<T> for T where
T: ?Sized,` [src]

#### `pub fn borrow(&self) -> &T` [src]

Immutably borrows from an owned value. Read more

### `impl<T> BorrowMut<T> for T where
T: ?Sized,` [src]

#### `pub fn borrow_mut(&mut self) -> &mut T` [src]

Mutably borrows from an owned value. Read more

### `impl<T> From<T> for T` [src]

#### `pub fn from(t: T) -> T` [src]

Performs the conversion.

### `impl<T> Instrument for T` [src]

#### `pub fn instrument(self, span: Span) -> Instrumented<Self>` [src]

Instruments this type with the provided `Span`, returning an `Instrumented` wrapper. Read more

#### `pub fn in_current_span(self) -> Instrumented<Self>` [src]

Instruments this type with the current `Span`, returning an `Instrumented` wrapper. Read more

### `impl<T, U> Into<U> for T where
U: From<T>,` [src]

#### `pub fn into(self) -> U` [src]

Performs the conversion.

### `impl<T> ToString for T where
T: Display + ?Sized,` [src]

#### `pub default fn to_string(&self) -> String` [src]

Converts the given value to a `String`. Read more

### `impl<T, U> TryFrom<U> for T where
U: Into<T>,` [src]

#### `type Error = Infallible`

The type returned in the event of a conversion error.

#### `pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>` [src]

Performs the conversion.

### `impl<T, U> TryInto<U> for T where
U: TryFrom<T>,` [src]

#### `type Error = <U as TryFrom<T>>::Error`

The type returned in the event of a conversion error.

#### `pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>` [src]

Performs the conversion.