[][src]Struct proptest::sample::Select

#[must_use = "strategies do nothing unless used"]
pub struct Select<T>(_)
where
    T: Clone + Debug + 'static
;

Strategy to produce one value from a fixed collection of options.

Created by the select() in the same module.

Trait Implementations

impl<T> Strategy for Select<T> where
    T: Clone + Debug + 'static, 
[src]

type Tree = SelectValueTree<T>

The value tree generated by this Strategy.

type Value = T

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

fn prop_map<O: Debug, F: Fn(Self::Value) -> O>(self, fun: F) -> Map<Self, F> where
    Self: Sized
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Returns a strategy which produces values transformed by the function fun. Read more

fn prop_map_into<O: Debug>(self) -> MapInto<Self, O> where
    Self: Sized,
    Self::Value: Into<O>, 
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Returns a strategy which produces values of type O by transforming Self with Into<O>. Read more

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

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

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

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

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

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

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

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

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

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

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
[src]

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

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

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

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, 
[src]

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

fn prop_shuffle(self) -> Shuffle<Self> where
    Self: Sized,
    Self::Value: Shuffleable
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Shuffle the contents of the values produced by this strategy. Read more

fn boxed(self) -> BoxedStrategy<Self::Value> where
    Self: Sized + 'static, 
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Erases the type of this Strategy so it can be passed around as a simple trait object. Read more

fn sboxed(self) -> SBoxedStrategy<Self::Value> where
    Self: Sized + Send + Sync + 'static, 
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Erases the type of this Strategy so it can be passed around as a simple trait object. Read more

fn no_shrink(self) -> NoShrink<Self> where
    Self: Sized
[src]

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

impl<T: Debug> Debug for Select<T> where
    T: Clone + Debug + 'static, 
[src]

impl<T: Clone> Clone for Select<T> where
    T: Clone + Debug + 'static, 
[src]

fn clone_from(&mut self, source: &Self)
1.0.0
[src]

Performs copy-assignment from source. Read more

Auto Trait Implementations

impl<T> Send for Select<T> where
    T: Send + Sync

impl<T> Sync for Select<T> where
    T: Send + Sync

Blanket Implementations

impl<T> From for T[src]

impl<T, U> TryFrom for T where
    U: Into<T>, 
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type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto 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.

impl<T, U> Into for T where
    U: From<T>, 
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impl<T> Borrow for T where
    T: ?Sized
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impl<T> BorrowMut for T where
    T: ?Sized
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impl<T> Any for T where
    T: 'static + ?Sized
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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.