Struct proptest::collection::SizeRange

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pub struct SizeRange(/* private fields */);
Expand description

The minimum and maximum range/bounds on the size of a collection. The interval must form a subset of [0, std::usize::MAX).

A value like 0..=std::usize::MAX will still be accepted but will silently truncate the maximum to std::usize::MAX - 1.

The Default is 0..100.

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impl SizeRange

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pub fn new(range: RangeInclusive<usize>) -> Self

Creates a SizeBounds from a RangeInclusive<usize>.

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pub fn with<X>(self, and: X) -> (Self, X)

Merges self together with some other argument producing a product type expected by some implementations of A: Arbitrary in A::Parameters. This can be more ergonomic to work with and may help type inference.

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pub fn lift<X: Default>(self) -> (Self, X)

Merges self together with some other argument generated with a default value producing a product type expected by some implementations of A: Arbitrary in A::Parameters. This can be more ergonomic to work with and may help type inference.

Trait Implementations§

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impl Add<usize> for SizeRange

Adds usize to both start and end of the bounds.

Panics if adding to either end overflows usize.

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type Output = SizeRange

The resulting type after applying the + operator.
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fn add(self, rhs: usize) -> Self::Output

Performs the + operation. Read more
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impl Arbitrary for SizeRange

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type Parameters = ()

The type of parameters that arbitrary_with accepts for configuration of the generated Strategy. Parameters must implement Default.
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type Strategy = MapInto<<RangeInclusive<usize> as Arbitrary>::Strategy, SizeRange>

The type of Strategy used to generate values of type Self.
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fn arbitrary_with(_args: Self::Parameters) -> Self::Strategy

Generates a Strategy for producing arbitrary values of type the implementing type (Self). The strategy is passed the arguments given in args. Read more
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fn arbitrary() -> Self::Strategy

Generates a Strategy for producing arbitrary values of type the implementing type (Self). Read more
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impl Clone for SizeRange

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fn clone(&self) -> SizeRange

Returns a copy 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 SizeRange

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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 Default for SizeRange

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fn default() -> Self

Constructs a SizeRange equivalent to size_range(0..100).

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impl From<(usize, usize)> for SizeRange

Given (low: usize, high: usize), then a size range of [low..high) is the result.

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fn from((low, high): (usize, usize)) -> Self

Converts to this type from the input type.
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impl From<Range<usize>> for SizeRange

Given low .. high, then a size range [low, high) is the result.

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fn from(r: Range<usize>) -> Self

Converts to this type from the input type.
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impl From<RangeInclusive<usize>> for SizeRange

Given low ..= high, then a size range [low, high] is the result.

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fn from(r: RangeInclusive<usize>) -> Self

Converts to this type from the input type.
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impl From<RangeTo<usize>> for SizeRange

Given ..high, then a size range [0, high) is the result.

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fn from(high: RangeTo<usize>) -> Self

Converts to this type from the input type.
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impl From<RangeToInclusive<usize>> for SizeRange

Given ..=high, then a size range [0, high] is the result.

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fn from(high: RangeToInclusive<usize>) -> Self

Converts to this type from the input type.
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impl From<usize> for SizeRange

Given exact, then a size range of [exact, exact] is the result.

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fn from(exact: usize) -> Self

Converts to this type from the input type.
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impl Hash for SizeRange

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl PartialEq for SizeRange

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fn eq(&self, other: &SizeRange) -> 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 Eq for SizeRange

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impl StructuralPartialEq for SizeRange

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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default unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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> 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.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V