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Constraint

use_validate

Struct Constraint 

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pub struct Constraint<T, F>
where
    T: ?Sized,
{ /* private fields */ }

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impl<T, F> Constraint<T, F>
where F: Fn(&T) -> bool, T: ?Sized,

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pub const fn new(label: &'static str, evaluator: F) -> Constraint<T, F>

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pub const fn label(&self) -> &'static str

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pub fn evaluate(&self, value: &T) -> ConstraintEvaluation<'static>

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pub fn is_satisfied_by(&self, value: &T) -> bool

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impl<T, F> Freeze for Constraint<T, F>
where F: Freeze, T: ?Sized,

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impl<T, F> RefUnwindSafe for Constraint<T, F>
where F: RefUnwindSafe, T: ?Sized,

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impl<T, F> Send for Constraint<T, F>
where F: Send, T: ?Sized,

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impl<T, F> Sync for Constraint<T, F>
where F: Sync, T: ?Sized,

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impl<T, F> Unpin for Constraint<T, F>
where F: Unpin, T: ?Sized,

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impl<T, F> UnsafeUnpin for Constraint<T, F>
where F: UnsafeUnpin, T: ?Sized,

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impl<T, F> UnwindSafe for Constraint<T, F>
where F: UnwindSafe, T: ?Sized,

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.