[−][src]Trait fluid::core::AssertionImpl

pub trait AssertionImpl: Sized {
    type Left: Debug;
    fn failure_message(&mut self) -> Option<String>;
    fn consume_as_should(self) -> ShouldImpl<Self::Left>;
    fn should_mut(&mut self) -> &mut ShouldImpl<Self::Left>;
}

The trait used by the implementation detail, must be used by who wants to add a custom assertion.

Associated Types

`type Left: Debug`

The left type.

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Required methods

`fn failure_message(&mut self) -> Option<String>`

Returns a message if the assertion failed.

`fn consume_as_should(self) -> ShouldImpl<Self::Left>`

Verify the assertion, and returns the Should struct.

`fn should_mut(&mut self) -> &mut ShouldImpl<Self::Left>`

Add an explanation from the because method from the Assertion trait.

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Implementors

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