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CacheError

nickel_lang_core::cache

Enum CacheError 

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pub enum CacheError<E, S> {
    Error(E),
    IncompatibleState {
        want: S,
    },
}
Expand description

Wrapper around other errors to indicate that typechecking or applying program transformations failed because the source has not been parsed yet.

# Type parameters

Variants§

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Error(E)

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IncompatibleState

The state of the entry in the cache is incompatible with the requested operation.

Fields

§want: S

Implementations§

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impl<E, S> CacheError<E, S>

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pub fn unwrap_error(self, msg: &str) -> E

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pub fn map_err<O>(self, f: impl FnOnce(E) -> O) -> CacheError<O, S>

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pub fn force_cast<T>(self) -> CacheError<E, T>

Assuming that self is of the form CacheError::Error(e), cast the error type to another arbitrary state type T.

§Panic

This method panics if self is CacheError::IncompatibleState.

Trait Implementations§

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impl<E: Clone, S: Clone> Clone for CacheError<E, S>

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fn clone(&self) -> CacheError<E, S>

Returns a duplicate of the value. Read more
1.0.0 · Source§

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

Performs copy-assignment from source. Read more
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impl<E: Debug, S: Debug> Debug for CacheError<E, S>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<E, S> From<E> for CacheError<E, S>

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fn from(e: E) -> Self

Converts to this type from the input type.
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impl<E: PartialEq, S: PartialEq> PartialEq for CacheError<E, S>

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fn eq(&self, other: &CacheError<E, S>) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<E: Eq, S: Eq> Eq for CacheError<E, S>

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impl<E, S> StructuralPartialEq for CacheError<E, S>

Auto Trait Implementations§

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impl<E, S> Freeze for CacheError<E, S>
where E: Freeze, S: Freeze,

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impl<E, S> RefUnwindSafe for CacheError<E, S>
where E: RefUnwindSafe, S: RefUnwindSafe,

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impl<E, S> Send for CacheError<E, S>
where E: Send, S: Send,

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impl<E, S> Sync for CacheError<E, S>
where E: Sync, S: Sync,

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impl<E, S> Unpin for CacheError<E, S>
where E: Unpin, S: Unpin,

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impl<E, S> UnsafeUnpin for CacheError<E, S>
where E: UnsafeUnpin, S: UnsafeUnpin,

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impl<E, S> UnwindSafe for CacheError<E, S>
where E: UnwindSafe, S: UnwindSafe,

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<T, U> ExactFrom<T> for U
where U: TryFrom<T>,

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fn exact_from(value: T) -> U

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impl<T, U> ExactInto<U> for T
where U: ExactFrom<T>,

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fn exact_into(self) -> U

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impl<T> From<!> for T

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fn from(t: !) -> T

Converts to this type from the input type.
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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fn into(self) -> U

Calls U::from(self).

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fn into_either(self, into_left: bool) -> Either<Self, Self>

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fn overflowing_into(self) -> (U, bool)

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fn fg<C>(&self) -> FgColorDisplay<'_, C, Self>
where C: Color,

Set the foreground color generically Read more
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where C: Color,

Set the background color generically. Read more
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fn black(&self) -> FgColorDisplay<'_, Black, Self>

Change the foreground color to black
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fn on_black(&self) -> BgColorDisplay<'_, Black, Self>

Change the background color to black
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fn red(&self) -> FgColorDisplay<'_, Red, Self>

Change the foreground color to red
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fn on_red(&self) -> BgColorDisplay<'_, Red, Self>

Change the background color to red
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fn green(&self) -> FgColorDisplay<'_, Green, Self>

Change the foreground color to green
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fn on_green(&self) -> BgColorDisplay<'_, Green, Self>

Change the background color to green
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fn yellow(&self) -> FgColorDisplay<'_, Yellow, Self>

Change the foreground color to yellow
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fn on_yellow(&self) -> BgColorDisplay<'_, Yellow, Self>

Change the background color to yellow
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Change the foreground color to blue
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fn on_blue(&self) -> BgColorDisplay<'_, Blue, Self>

Change the background color to blue
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fn magenta(&self) -> FgColorDisplay<'_, Magenta, Self>

Change the foreground color to magenta
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fn on_magenta(&self) -> BgColorDisplay<'_, Magenta, Self>

Change the background color to magenta
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fn purple(&self) -> FgColorDisplay<'_, Magenta, Self>

Change the foreground color to purple
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fn on_purple(&self) -> BgColorDisplay<'_, Magenta, Self>

Change the background color to purple
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fn cyan(&self) -> FgColorDisplay<'_, Cyan, Self>

Change the foreground color to cyan
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fn on_cyan(&self) -> BgColorDisplay<'_, Cyan, Self>

Change the background color to cyan
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Change the foreground color to white
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fn on_white(&self) -> BgColorDisplay<'_, White, Self>

Change the background color to white
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fn default_color(&self) -> FgColorDisplay<'_, Default, Self>

Change the foreground color to the terminal default
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fn on_default_color(&self) -> BgColorDisplay<'_, Default, Self>

Change the background color to the terminal default
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fn bright_black(&self) -> FgColorDisplay<'_, BrightBlack, Self>

Change the foreground color to bright black
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Change the background color to bright black
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Change the foreground color to bright red
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fn on_bright_red(&self) -> BgColorDisplay<'_, BrightRed, Self>

Change the background color to bright red
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fn bright_green(&self) -> FgColorDisplay<'_, BrightGreen, Self>

Change the foreground color to bright green
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fn on_bright_green(&self) -> BgColorDisplay<'_, BrightGreen, Self>

Change the background color to bright green
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fn bright_yellow(&self) -> FgColorDisplay<'_, BrightYellow, Self>

Change the foreground color to bright yellow
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fn on_bright_yellow(&self) -> BgColorDisplay<'_, BrightYellow, Self>

Change the background color to bright yellow
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fn bright_blue(&self) -> FgColorDisplay<'_, BrightBlue, Self>

Change the foreground color to bright blue
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fn on_bright_blue(&self) -> BgColorDisplay<'_, BrightBlue, Self>

Change the background color to bright blue
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fn bright_magenta(&self) -> FgColorDisplay<'_, BrightMagenta, Self>

Change the foreground color to bright magenta
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fn on_bright_magenta(&self) -> BgColorDisplay<'_, BrightMagenta, Self>

Change the background color to bright magenta
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fn bright_purple(&self) -> FgColorDisplay<'_, BrightMagenta, Self>

Change the foreground color to bright purple
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fn on_bright_purple(&self) -> BgColorDisplay<'_, BrightMagenta, Self>

Change the background color to bright purple
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fn bright_cyan(&self) -> FgColorDisplay<'_, BrightCyan, Self>

Change the foreground color to bright cyan
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fn on_bright_cyan(&self) -> BgColorDisplay<'_, BrightCyan, Self>

Change the background color to bright cyan
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fn bright_white(&self) -> FgColorDisplay<'_, BrightWhite, Self>

Change the foreground color to bright white
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fn on_bright_white(&self) -> BgColorDisplay<'_, BrightWhite, Self>

Change the background color to bright white
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fn bold(&self) -> BoldDisplay<'_, Self>

Make the text bold
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Make the text dim
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fn italic(&self) -> ItalicDisplay<'_, Self>

Make the text italicized
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fn underline(&self) -> UnderlineDisplay<'_, Self>

Make the text underlined
Make the text blink
Make the text blink (but fast!)
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fn reversed(&self) -> ReversedDisplay<'_, Self>

Swap the foreground and background colors
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fn hidden(&self) -> HiddenDisplay<'_, Self>

Hide the text
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fn strikethrough(&self) -> StrikeThroughDisplay<'_, Self>

Cross out the text
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fn color<Color>(&self, color: Color) -> FgDynColorDisplay<'_, Color, Self>
where Color: DynColor,

Set the foreground color at runtime. Only use if you do not know which color will be used at compile-time. If the color is constant, use either OwoColorize::fg or a color-specific method, such as OwoColorize::green, Read more
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fn on_color<Color>(&self, color: Color) -> BgDynColorDisplay<'_, Color, Self>
where Color: DynColor,

Set the background color at runtime. Only use if you do not know what color to use at compile-time. If the color is constant, use either OwoColorize::bg or a color-specific method, such as OwoColorize::on_yellow, Read more
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fn fg_rgb<const R: u8, const G: u8, const B: u8>( &self, ) -> FgColorDisplay<'_, CustomColor<R, G, B>, Self>

Set the foreground color to a specific RGB value.
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fn bg_rgb<const R: u8, const G: u8, const B: u8>( &self, ) -> BgColorDisplay<'_, CustomColor<R, G, B>, Self>

Set the background color to a specific RGB value.
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fn truecolor(&self, r: u8, g: u8, b: u8) -> FgDynColorDisplay<'_, Rgb, Self>

Sets the foreground color to an RGB value.
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fn on_truecolor(&self, r: u8, g: u8, b: u8) -> BgDynColorDisplay<'_, Rgb, Self>

Sets the background color to an RGB value.
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fn style(&self, style: Style) -> Styled<&Self>

Apply a runtime-determined style
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Returns self with the fg() set to [Color :: BrightBlack].

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Returns self with the fg() set to [Color :: BrightRed].

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Returns self with the fg() set to [Color :: BrightGreen].

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Returns self with the fg() set to [Color :: BrightYellow].

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Returns self with the fg() set to [Color :: BrightBlue].

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Returns self with the fg() set to [Color :: BrightMagenta].

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Returns self with the bg() set to [Color :: Primary].

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Returns self with the bg() set to [Color :: Fixed].

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Returns self with the bg() set to [Color :: Rgb].

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Returns self with the bg() set to [Color :: Black].

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Returns self with the bg() set to [Color :: Red].

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Returns self with the bg() set to [Color :: Green].

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Returns self with the bg() set to [Color :: Yellow].

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Returns self with the bg() set to [Color :: Blue].

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Returns self with the bg() set to [Color :: Magenta].

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Returns self with the bg() set to [Color :: Cyan].

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assert_eq!(Some(5).to_debug_string(), "Some(5)");
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impl<S, T> ToMainline<T> for S
where T: FromAst<S>,

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fn to_mainline(&self, pos_table: &mut PosTable) -> T

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryConvert<'_, T> for U
where U: TryFrom<T>,

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

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fn try_convert( _: &AstAlloc, from: T, ) -> Result<U, <U as TryConvert<'_, T>>::Error>

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T, U> WrappingInto<U> for T
where U: WrappingFrom<T>,

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fn wrapping_into(self) -> U