Enum CompressionLevel 

pub enum CompressionLevel {
    Uncompressed,
    Fastest,
    Default,
    Better,
    Best,
}

The compression mode used impacts the speed of compression, and resulting compression ratios. Faster compression will result in worse compression ratios, and vice versa.

Variants

Uncompressed

This level does not compress the data at all, and simply wraps it in a Zstandard frame.

Fastest

This level is roughly equivalent to Zstd compression level 1

Default

This level uses the crate’s dedicated dfast-style matcher to target a better speed/ratio tradeoff than CompressionLevel::Fastest.

It represents this crate’s “default” compression setting and may evolve in future versions as the implementation moves closer to reference zstd level 3 behavior.

Better

This level is roughly equivalent to Zstd level 7.

UNIMPLEMENTED

Best

This level is roughly equivalent to Zstd level 11.

UNIMPLEMENTED

Trait Implementations

impl Clone for CompressionLevel

fn clone(&self) -> CompressionLevel

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for CompressionLevel