Struct True

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pub struct True { /* private fields */ }
Expand description

Represents predicates that are always satisfied.

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impl<T: ?Sized> Predicate<T> for True

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type Error = NeverError

The associated error type which is used to represent checks.
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fn check(_value: &T) -> Result<(), Self::Error>

Checks if the value of type T satisfies the predicate. Read more
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fn expect(formatter: &mut Formatter<'_>) -> Result

Formats the expectation of the predicate. Read more
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fn expect_code(formatter: &mut Formatter<'_>) -> Result

Formats the expectation code of the predicate. Read more
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fn is_satisfied(value: &T) -> bool

Checks whether the given value satisfies the predicate. Read more
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fn expected() -> Expected<T, Self>

Returns the expectation of the predicate.
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fn expected_code() -> ExpectedCode<T, Self>

Returns the expectation code of the predicate.

Auto Trait Implementations§

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impl Freeze for True

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impl RefUnwindSafe for True

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impl Send for True

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impl Sync for True

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impl Unpin for True

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impl UnwindSafe for True

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> 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.