Struct StreamMapAnyVariant

pub struct StreamMapAnyVariant(/* private fields */);

Newtype around a Boxed Any.

Implementations

impl StreamMapAnyVariant

pub fn new<T>(value: T) -> Self

where T: Any,

pub fn value<T>(self) -> Result<T, Self>

where T: Any,

Retrieve the value if the type matches T.

If it doesn’t match, the variant will be returned as Err.

Examples

use stream_map_any::StreamMapAnyVariant;

let variant = StreamMapAnyVariant::new(8u32);
let value = variant.value().unwrap();
assert_eq!(8u32, value);

// call will fail here because it has the wrong type.
let variant = StreamMapAnyVariant::new(8u32);
let value: Result<String, _> = variant.value();
assert!(value.is_err());

pub fn boxed_value<T>(self) -> Result<Box<T>, Self>

where T: Any,

Retrieve a boxed value if the type matches T.

If it doesn’t match, the variant will be returned as Err.

pub fn boxed_any(self) -> Box<dyn Any>

Retrieve the containing boxed Any.

Trait Implementations

impl Debug for StreamMapAnyVariant

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

Formats the value using the given formatter.