deltachat::reaction

Struct Reaction

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pub struct Reaction {
    reaction: String,
}
Expand description

A single reaction consisting of multiple emoji sequences.

It is guaranteed to have all emojis sorted and deduplicated inside.

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§reaction: String

Canonical representation of reaction as a string of space-separated emojis.

Implementations§

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impl Reaction

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pub fn is_empty(&self) -> bool

Returns true if reaction contains no emojis.

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pub fn emojis(&self) -> Vec<&str>

Returns a vector of emojis composing a reaction.

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pub fn as_str(&self) -> &str

Returns space-separated string of emojis

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pub fn add(&self, other: Self) -> Self

Appends emojis from another reaction to this reaction.

Trait Implementations§

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impl Clone for Reaction

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fn clone(&self) -> Reaction

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 Reaction

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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 Reaction

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fn default() -> Reaction

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

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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 From<&str> for Reaction

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fn from(reaction: &str) -> Self

Parses a string containing a reaction.

Reaction string is separated by spaces or tabs (WSP in ABNF), but this function accepts any ASCII whitespace, so even a CRLF at the end of string is acceptable.

Any short enough string is accepted as a reaction to avoid the complexity of validating emoji sequences as required by RFC 9078. On the sender side UI is responsible to provide only valid emoji sequences via reaction picker. On the receiver side, abuse of the possibility to use arbitrary strings as reactions is not different from other kinds of spam attacks such as sending large numbers of large messages, and should be dealt with the same way, e.g. by blocking the user.

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impl PartialEq for Reaction

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

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Serialize for Reaction

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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 Eq for Reaction

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impl StructuralPartialEq for Reaction

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<'a, T, E> AsTaggedExplicit<'a, E> for T
where T: 'a,

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fn explicit(self, class: Class, tag: u32) -> TaggedParser<'a, Explicit, Self, E>

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impl<'a, T, E> AsTaggedImplicit<'a, E> for T
where T: 'a,

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fn implicit( self, class: Class, constructed: bool, tag: u32, ) -> TaggedParser<'a, Implicit, Self, E>

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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, 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> DynClone for T
where T: Clone,

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impl<Q, K> Equivalent<K> for Q
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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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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> Same for T

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type Output = T

Should always be Self
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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
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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.
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