Struct proptest::sample::SelectorStrategy

source ·
pub struct SelectorStrategy { /* private fields */ }
Expand description

Strategy to create Selectors.

Created via any::<Selector>().

Trait Implementations§

source§

impl Debug for SelectorStrategy

source§

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
source§

impl Strategy for SelectorStrategy

§

type Tree = SelectorValueTree

The value tree generated by this Strategy.
§

type Value = Selector

The type of value used by functions under test generated by this Strategy. Read more
source§

fn new_tree(&self, runner: &mut TestRunner) -> NewTree<Self>

Generate a new value tree from the given runner. Read more
source§

fn prop_map<O: Debug, F: Fn(Self::Value) -> O>(self, fun: F) -> Map<Self, F>
where Self: Sized,

Returns a strategy which produces values transformed by the function fun. Read more
source§

fn prop_map_into<O: Debug>(self) -> MapInto<Self, O>
where Self: Sized, Self::Value: Into<O>,

Returns a strategy which produces values of type O by transforming Self with Into<O>. Read more
source§

fn prop_perturb<O: Debug, F: Fn(Self::Value, TestRng) -> O>( self, fun: F, ) -> Perturb<Self, F>
where Self: Sized,

Returns a strategy which produces values transformed by the function fun, which is additionally given a random number generator. Read more
source§

fn prop_flat_map<S: Strategy, F: Fn(Self::Value) -> S>( self, fun: F, ) -> Flatten<Map<Self, F>>
where Self: Sized,

Maps values produced by this strategy into new strategies and picks values from those strategies. Read more
source§

fn prop_ind_flat_map<S: Strategy, F: Fn(Self::Value) -> S>( self, fun: F, ) -> IndFlatten<Map<Self, F>>
where Self: Sized,

Maps values produced by this strategy into new strategies and picks values from those strategies while considering the new strategies to be independent. Read more
source§

fn prop_ind_flat_map2<S: Strategy, F: Fn(Self::Value) -> S>( self, fun: F, ) -> IndFlattenMap<Self, F>
where Self: Sized,

Similar to prop_ind_flat_map(), but produces 2-tuples with the input generated from self in slot 0 and the derived strategy in slot 1. Read more
source§

fn prop_filter<R: Into<Reason>, F: Fn(&Self::Value) -> bool>( self, whence: R, fun: F, ) -> Filter<Self, F>
where Self: Sized,

Returns a strategy which only produces values accepted by fun. Read more
source§

fn prop_filter_map<F: Fn(Self::Value) -> Option<O>, O: Debug>( self, whence: impl Into<Reason>, fun: F, ) -> FilterMap<Self, F>
where Self: Sized,

Returns a strategy which only produces transformed values where fun returns Some(value) and rejects those where fun returns None. Read more
source§

fn prop_union(self, other: Self) -> Union<Self>
where Self: Sized,

Returns a strategy which picks uniformly from self and other. Read more
source§

fn prop_recursive<R: Strategy<Value = Self::Value> + 'static, F: Fn(BoxedStrategy<Self::Value>) -> R>( self, depth: u32, desired_size: u32, expected_branch_size: u32, recurse: F, ) -> Recursive<Self::Value, F>
where Self: Sized + 'static,

Generate a recursive structure with self items as leaves. Read more
source§

fn boxed(self) -> BoxedStrategy<Self::Value>
where Self: Sized + 'static,

Erases the type of this Strategy so it can be passed around as a simple trait object. Read more
source§

fn sboxed(self) -> SBoxedStrategy<Self::Value>
where Self: Sized + Send + Sync + 'static,

Erases the type of this Strategy so it can be passed around as a simple trait object. Read more
source§

fn no_shrink(self) -> NoShrink<Self>
where Self: Sized,

Wraps this strategy to prevent values from being subject to shrinking. Read more

Auto Trait Implementations§

Blanket Implementations§

source§

impl<T> Any for T
where T: 'static + ?Sized,

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

impl<T> Borrow<T> for T
where T: ?Sized,

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

impl<T, U> Into<U> for T
where U: From<T>,

source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
source§

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

source§

fn vzip(self) -> V