# Trait futures_core::future::FusedFuture [−] [src]

    pub trait FusedFuture: Future {
        fn is_terminated(&self) -> bool;
    }

A future which tracks whether or not the underlying future should no longer be polled.

`is_terminated` will return `true` if a future should no longer be polled. Usually, this state occurs after `poll` (or `try_poll`) returned `Poll::Ready`. However, `is_terminated` may also return `true` if a future has become inactive and can no longer make progress and should be ignored or dropped rather than being `poll`ed again.

## Required methods

### `fn is_terminated(&self) -> bool` [src]

Returns `true` if the underlying future should no longer be polled.

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## Implementations on Foreign Types

### `impl<F: FusedFuture + ?Sized + Unpin> FusedFuture for &mut F` [src]

#### `fn is_terminated(&self) -> bool` [src]

### `impl<P> FusedFuture for Pin<P> where
P: DerefMut + Unpin,
P::Target: FusedFuture,` [src]

#### `fn is_terminated(&self) -> bool` [src]

### `impl<F: FusedFuture + ?Sized + Unpin> FusedFuture for Box<F>` [src]

#### `fn is_terminated(&self) -> bool` [src]

### `impl<F: FusedFuture> FusedFuture for AssertUnwindSafe<F>` [src]

#### `fn is_terminated(&self) -> bool` [src]

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## Implementors

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