NotConst

Struct NotConst 

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pub struct NotConst<what, site> {
    pub what: what,
    pub site: site,
}
Expand description

Generate an erorr for an expression that is noot valid in a const declaration.

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§what: what

Description of the invalid expression constructor.

§site: site

Location of the error.

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impl<what, site> IntoError for NotConst<what, site>
where what: Display, site: TrySpan,

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fn into_err(self) -> Error

Produce the sequence of spans and help messages.

Auto Trait Implementations§

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impl<what, site> Freeze for NotConst<what, site>
where what: Freeze, site: Freeze,

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impl<what, site> RefUnwindSafe for NotConst<what, site>
where what: RefUnwindSafe, site: RefUnwindSafe,

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impl<what, site> Send for NotConst<what, site>
where what: Send, site: Send,

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impl<what, site> Sync for NotConst<what, site>
where what: Sync, site: Sync,

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impl<what, site> Unpin for NotConst<what, site>
where what: Unpin, site: Unpin,

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impl<what, site> UnwindSafe for NotConst<what, site>
where what: UnwindSafe, site: UnwindSafe,

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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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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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.