Struct flate2::GzHeader [−][src]
A structure representing the header of a gzip stream.
The header can contain metadata about the file that was compressed, if present.
Implementations
impl GzHeader
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pub fn filename(&self) -> Option<&[u8]>
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Returns the filename
field of this gzip stream’s header, if present.
pub fn extra(&self) -> Option<&[u8]>
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Returns the extra
field of this gzip stream’s header, if present.
pub fn comment(&self) -> Option<&[u8]>
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Returns the comment
field of this gzip stream’s header, if present.
pub fn operating_system(&self) -> u8
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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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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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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 Clone for GzHeader
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impl Debug for GzHeader
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impl Default for GzHeader
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impl PartialEq<GzHeader> for GzHeader
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impl StructuralPartialEq for GzHeader
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Auto Trait Implementations
impl RefUnwindSafe for GzHeader
impl Send for GzHeader
impl Sync for GzHeader
impl Unpin for GzHeader
impl UnwindSafe for GzHeader
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,