1.0.0[][src]Module std::convert

Traits for conversions between types.

The traits in this module provide a general way to talk about conversions from one type to another. They follow the standard Rust conventions of as/into/from.

Like many traits, these are often used as bounds for generic functions, to support arguments of multiple types.

As a library author, you should prefer implementing From<T> or TryFrom<T> rather than Into<U> or TryInto<U>, as From and TryFrom provide greater flexibility and offer equivalent Into or TryInto implementations for free, thanks to a blanket implementation in the standard library.

Generic Implementations

See each trait for usage examples.

Traits

AsMut

A cheap, mutable reference-to-mutable reference conversion.

AsRef

A cheap reference-to-reference conversion. Used to convert a value to a reference value within generic code.

From

Simple and safe type conversions in to Self. It is the reciprocal of Into.

Into

A conversion that consumes self, which may or may not be expensive. The reciprocal of From.

TryFrom[
Experimental
]

Attempt to construct Self via a conversion.

TryInto[
Experimental
]

An attempted conversion that consumes self, which may or may not be expensive.

Functions

identity[
Experimental
]

An identity function.