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LogLevel

Struct LogLevel 

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#[repr(transparent)]
pub struct LogLevel(pub c_uint);
Expand description

Enumerates log levels.

You are advised to select log levels based on their respective usage scenarios:

  • DEBUG: used for debugging and disabled from commercial releases
  • INFO: used for logging important system running status and steps in key processes
  • WARN: used for logging unexpected exceptions that have little impact on user experience and can automatically recover. Logs at this level are generally output when such exceptions are detected and captured.
  • ERROR: used for logging malfunction that affects user experience and cannot automatically recover
  • FATAL: used for logging major exceptions that have severely affected user experience and should not occur.

Available since API-level: 8

Tuple Fields§

§0: c_uint

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impl LogLevel

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pub const LOG_DEBUG: LogLevel

Debug level to be used by [OH_LOG_DEBUG]

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pub const LOG_INFO: LogLevel

Informational level to be used by [OH_LOG_INFO]

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pub const LOG_WARN: LogLevel

Warning level to be used by [OH_LOG_WARN]

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pub const LOG_ERROR: LogLevel

Error level to be used by [OH_LOG_ERROR]

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pub const LOG_FATAL: LogLevel

Fatal level to be used by [OH_LOG_FATAL]

Trait Implementations§

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impl Clone for LogLevel

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fn clone(&self) -> LogLevel

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Copy for LogLevel

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impl Debug for LogLevel

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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 Eq for LogLevel

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impl From<Level> for LogLevel

Available on crate feature log only.
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fn from(level: Level) -> Self

Converts to this type from the input type.
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impl Hash for LogLevel

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl PartialEq for LogLevel

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fn eq(&self, other: &LogLevel) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl StructuralPartialEq for LogLevel

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

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> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.