Struct zstd_sys::ZSTD_compressionParameters

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#[repr(C)]
pub struct ZSTD_compressionParameters { pub windowLog: c_uint, pub chainLog: c_uint, pub hashLog: c_uint, pub searchLog: c_uint, pub minMatch: c_uint, pub targetLength: c_uint, pub strategy: ZSTD_strategy, }

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§windowLog: c_uint

< largest match distance : larger == more compression, more memory needed during decompression

§chainLog: c_uint

< fully searched segment : larger == more compression, slower, more memory (useless for fast)

§hashLog: c_uint

< dispatch table : larger == faster, more memory

§searchLog: c_uint

< nb of searches : larger == more compression, slower

§minMatch: c_uint

< match length searched : larger == faster decompression, sometimes less compression

§targetLength: c_uint

< acceptable match size for optimal parser (only) : larger == more compression, slower

§strategy: ZSTD_strategy

< see ZSTD_strategy definition above

Trait Implementations§

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impl Clone for ZSTD_compressionParameters

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fn clone(&self) -> ZSTD_compressionParameters

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for ZSTD_compressionParameters

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

Formats the value using the given formatter. Read more
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impl Copy for ZSTD_compressionParameters

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impl<T> Any for T
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fn borrow_mut(&mut self) -> &mut T

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impl<T> CloneToUninit for T
where T: Clone,

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default unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> CloneToUninit for T
where T: Copy,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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where U: From<T>,

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Calls U::from(self).

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

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

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Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

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Performs the conversion.