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Retries

Enum Retries 

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pub enum Retries {
    UntilHalted,
    AtMost(u32),
}
Expand description

The ceiling a person set on retrying one endpoint.

Exhaustive rather than a count with a sentinel: “keep trying until somebody stops this” and “try four times” are different intentions, and a number cannot spell the first one.

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UntilHalted

No ceiling. What stops the run is Halt, the city’s one brake. This is what a person who settled nothing asked for.

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AtMost(u32)

Give up once this many retries have been spent. Zero is a real answer and means “once, then report”.

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impl Retries

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pub const fn without_a_brake(self) -> u32

How many retries a request gets where nothing can halt it.

A person watching a settings page is waiting on one request and holds no brake, so UntilHalted cannot be honoured literally there: a probe that retried forever would hang the page it was drawn for. It is honoured as one retry, which is what a dropped connection costs and what the probe already documented as its intent — written here so the reading is the setting’s own and not a second default at the call site.

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pub const fn stated(self) -> Option<u32>

The figure a record carries, or nothing when no ceiling was set.

Absence on the wire and absence in the ledger are the same fact, so both are written by this one reading.

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pub const fn of(stated: Option<u32>) -> Retries

What a stated figure, or the absence of one, means.

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impl Clone for Retries

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fn clone(&self) -> Self

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 Retries

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impl Debug for Retries

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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 Default for Retries

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for Retries

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Eq for Retries

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impl PartialEq for Retries

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fn eq(&self, other: &Self) -> 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 Serialize for Retries

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl StructuralPartialEq for Retries

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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> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,

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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 = !

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

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.