[−][src]Struct flate2::GzHeader
A structure representing the header of a gzip stream.
The header can contain metadata about the file that was compressed, if present.
Methods
impl GzHeader
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impl GzHeader
pub fn filename(&self) -> Option<&[u8]>
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pub fn filename(&self) -> Option<&[u8]>
Returns the filename
field of this gzip stream's header, if present.
pub fn extra(&self) -> Option<&[u8]>
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pub fn extra(&self) -> Option<&[u8]>
Returns the extra
field of this gzip stream's header, if present.
pub fn comment(&self) -> Option<&[u8]>
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pub fn comment(&self) -> Option<&[u8]>
Returns the comment
field of this gzip stream's header, if present.
pub fn operating_system(&self) -> u8
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pub fn operating_system(&self) -> u8
Returns the operating_system
field of this gzip stream's header.
There are predefined values for various operating systems. 255 means that the value is unknown.
pub fn mtime(&self) -> u32
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pub fn mtime(&self) -> u32
This gives the most recent modification time of the original file being compressed.
The time is in Unix format, i.e., seconds since 00:00:00 GMT, Jan. 1, 1970.
(Note that this may cause problems for MS-DOS and other systems that use local
rather than Universal time.) If the compressed data did not come from a file,
mtime
is set to the time at which compression started.
mtime
= 0 means no time stamp is available.
The usage of mtime
is discouraged because of Year 2038 problem.
pub fn mtime_as_datetime(&self) -> Option<SystemTime>
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pub fn mtime_as_datetime(&self) -> Option<SystemTime>
Returns the most recent modification time represented by a date-time type.
Returns None
if the value of the underlying counter is 0,
indicating no time stamp is available.
The time is measured as seconds since 00:00:00 GMT, Jan. 1 1970.
See mtime
for more detail.
Trait Implementations
impl PartialEq for GzHeader
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impl PartialEq for GzHeader
fn eq(&self, other: &GzHeader) -> bool
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fn eq(&self, other: &GzHeader) -> bool
This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, other: &GzHeader) -> bool
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fn ne(&self, other: &GzHeader) -> bool
This method tests for !=
.
impl Clone for GzHeader
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impl Clone for GzHeader
fn clone(&self) -> GzHeader
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fn clone(&self) -> GzHeader
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
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fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
impl Debug for GzHeader
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impl Debug for GzHeader
Auto Trait Implementations
Blanket Implementations
impl<T> ToOwned for T where
T: Clone,
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impl<T> ToOwned for T where
T: Clone,
type Owned = T
fn to_owned(&self) -> T
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fn to_owned(&self) -> T
Creates owned data from borrowed data, usually by cloning. Read more
fn clone_into(&self, target: &mut T)
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fn clone_into(&self, target: &mut T)
🔬 This is a nightly-only experimental API. (toowned_clone_into
)
recently added
Uses borrowed data to replace owned data, usually by cloning. Read more
impl<T> From for T
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impl<T> From for T
impl<T, U> Into for T where
U: From<T>,
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impl<T, U> Into for T where
U: From<T>,
impl<T, U> TryFrom for T where
T: From<U>,
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impl<T, U> TryFrom for T where
T: From<U>,
type Error = !
try_from
)The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
try_from
)Performs the conversion.
impl<T> Borrow for T where
T: ?Sized,
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impl<T> Borrow for T where
T: ?Sized,
ⓘImportant traits for &'a mut Rfn borrow(&self) -> &T
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fn borrow(&self) -> &T
Immutably borrows from an owned value. Read more
impl<T, U> TryInto for T where
U: TryFrom<T>,
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impl<T, U> TryInto for T where
U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
try_from
)The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
try_from
)Performs the conversion.
impl<T> BorrowMut for T where
T: ?Sized,
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impl<T> BorrowMut for T where
T: ?Sized,
ⓘImportant traits for &'a mut Rfn borrow_mut(&mut self) -> &mut T
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fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
impl<T> Any for T where
T: 'static + ?Sized,
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impl<T> Any for T where
T: 'static + ?Sized,
fn get_type_id(&self) -> TypeId
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fn get_type_id(&self) -> TypeId
🔬 This is a nightly-only experimental API. (get_type_id
)
this method will likely be replaced by an associated static
Gets the TypeId
of self
. Read more