pub enum Length {
    Exact(u64),
    UpTo(u64),
}
Expand description

The length (in bytes) to read. Determines whether or not a short read counts as an error.

Variants

Exact(u64)

Read this number of bytes exactly. Returns an error if the file is smaller than expected.

UpTo(u64)

Read up to this number of bytes. May read less than the specified amount if the file is smaller than expected.

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more