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Rule

Struct Rule 

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

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

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pub const fn new(name: &'static str, checker: F) -> Rule<T, F>

Examples found in repository?
examples/facade_check_rule.rs (line 6)
3fn main() {
4    let value = 42;
5    let result = check(value > 0);
6    let rule = Rule::<i32, _>::new("positive", |input| *input > 0);
7
8    assert!(result.is_pass());
9    assert!(rule.passes(&value));
10}
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pub const fn name(&self) -> &'static str

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

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

Examples found in repository?
examples/facade_check_rule.rs (line 9)
3fn main() {
4    let value = 42;
5    let result = check(value > 0);
6    let rule = Rule::<i32, _>::new("positive", |input| *input > 0);
7
8    assert!(result.is_pass());
9    assert!(rule.passes(&value));
10}

Auto Trait Implementations§

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

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

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

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

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

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

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impl<T, F> UnwindSafe for Rule<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.