Struct proptest::test_runner::Reason

pub struct Reason(_);

The reason for why something, such as a generated value, was rejected.

Currently this is merely a wrapper around a message, but more properties may be added in the future.

This is constructed via .into() on a String, &'static str, or Box<str>.

Methods

impl Reason

pub fn message(&self) -> &str

Return the message for this Reason.

The message is intended for human consumption, and is not guaranteed to have any format in particular.

Trait Implementations

impl PartialEq<Reason> for Reason

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

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Reason) -> bool

This method tests for !=.

impl Eq for Reason

impl Ord for Reason

fn cmp(&self, other: &Reason) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

🔬 This is a nightly-only experimental API. (clamp)

Restrict a value to a certain interval.

impl PartialOrd<Reason> for Reason

fn partial_cmp(&self, other: &Reason) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Reason) -> bool

This method tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Reason) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Reason) -> bool

This method tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Reason) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl Clone for Reason

fn clone(&self) -> Reason

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Reason

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

Formats the value using the given formatter.

impl Display for Reason

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

Formats the value using the given formatter.

impl From<&'static str> for Reason

fn from(s: &'static str) -> Self

Performs the conversion.

impl From<String> for Reason

fn from(s: String) -> Self

Performs the conversion.

impl From<Box<str>> for Reason

fn from(s: Box<str>) -> Self

Performs the conversion.

impl Hash for Reason

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

Feeds this value into the given [Hasher].

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given [Hasher].