Repetition

pipe_chain::pipe

Struct Repetition 

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

Represents a range or a fixed number

the upper limit is optionally defined

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impl Repetition

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pub fn range(min: usize, max: Option<usize>) -> Result<Self, InvalidRepetition>

Creates a new repetition

max is inclusive

returns an error if min > max

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pub fn exact(n: usize) -> Result<Self, InvalidRepetition>

Creates a new repetition with a fixed number

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pub fn needs_more(&self, nb: usize) -> bool

Return true if nb < min

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pub fn is_max(&self, nb: usize) -> bool

Return true if nb == max

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pub fn map_err<E>( &self, nb: usize, f: impl FnOnce(usize, Option<usize>, usize) -> E, ) -> Result<(), E>

Error handling

Calls the provided function f with min, max, nb if nb is outside of the repetition boundaries

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pub fn min_needed(&self, nb: usize) -> usize

Returns the minimum number of repetitions needed after nb repetitions

Trait Implementations§

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impl Clone for Repetition

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fn clone(&self) -> Repetition

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Repetition

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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 From<RangeFrom<usize>> for Repetition

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fn from(value: RangeFrom<usize>) -> Self

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

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fn from(_: RangeFull) -> Self

Converts to this type from the input type.
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impl PartialEq for Repetition

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fn eq(&self, other: &Repetition) -> bool

Tests for self and other values to be equal, and is used by ==.
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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 TryFrom<Range<usize>> for Repetition

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type Error = InvalidRepetition

The type returned in the event of a conversion error.
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fn try_from(value: Range<usize>) -> Result<Self, Self::Error>

Performs the conversion.
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impl TryFrom<RangeInclusive<usize>> for Repetition

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type Error = InvalidRepetition

The type returned in the event of a conversion error.
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fn try_from(value: RangeInclusive<usize>) -> Result<Self, Self::Error>

Performs the conversion.
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impl TryFrom<RangeTo<usize>> for Repetition

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type Error = InvalidRepetition

The type returned in the event of a conversion error.
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fn try_from(value: RangeTo<usize>) -> Result<Self, Self::Error>

Performs the conversion.
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impl TryFrom<RangeToInclusive<usize>> for Repetition

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type Error = InvalidRepetition

The type returned in the event of a conversion error.
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fn try_from(value: RangeToInclusive<usize>) -> Result<Self, Self::Error>

Performs the conversion.
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impl TryFrom<usize> for Repetition

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type Error = InvalidRepetition

The type returned in the event of a conversion error.
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fn try_from(value: usize) -> Result<Self, Self::Error>

Performs the conversion.
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impl Copy for Repetition

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impl Eq for Repetition

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impl StructuralPartialEq for Repetition

Auto Trait Implementations§

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<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> IntoEither for T

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

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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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> 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.