ReadMap

scribl_widget

Struct ReadMap 

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pub struct ReadMap<T, U> { /* private fields */ }

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impl<T, U> Lens<T, U> for ReadMap<T, U>

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fn with<V, F: FnOnce(&U) -> V>(&self, data: &T, f: F) -> V

Get non-mut access to the field. Read more
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fn with_mut<V, F: FnOnce(&mut U) -> V>(&self, data: &mut T, f: F) -> V

Get mutable access to the field. Read more

Auto Trait Implementations§

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impl<T, U> Freeze for ReadMap<T, U>

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impl<T, U> !RefUnwindSafe for ReadMap<T, U>

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impl<T, U> !Send for ReadMap<T, U>

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impl<T, U> !Sync for ReadMap<T, U>

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impl<T, U> Unpin for ReadMap<T, U>

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impl<T, U> !UnwindSafe for ReadMap<T, U>

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> 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<A, B, T> LensExt<A, B> for T
where T: Lens<A, B>, A: ?Sized, B: ?Sized,

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fn get(&self, data: &A) -> B
where B: Clone,

Copy the targeted value out of data
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fn put(&self, data: &mut A, value: B)

Set the targeted value in data to value
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fn then<Other, C>(self, other: Other) -> Then<Self, Other, B>
where Other: Lens<B, C>, Self: Sized, C: ?Sized,

Compose a Lens<A, B> with a Lens<B, C> to produce a Lens<A, C> Read more
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fn map<Get, Put, C>(self, get: Get, put: Put) -> Then<Self, Map<Get, Put>, B>
where Get: Fn(&B) -> C, Put: Fn(&mut B, C), Self: Sized,

Combine a Lens<A, B> with a function that can transform a B and its inverse. Read more
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fn deref(self) -> Then<Self, Deref, B>
where B: Deref + DerefMut, Self: Sized,

Invoke a type’s Deref impl Read more
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fn as_ref<T>(self) -> Then<Self, Ref, B>
where B: AsRef<T> + AsMut<T>, Self: Sized, T: ?Sized,

Invoke a type’s AsRef and AsMut impl. Read more
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fn index<I>(self, index: I) -> Then<Self, Index<I>, B>
where I: Clone, B: Index<I> + IndexMut<I>, Self: Sized,

Access an index in a container Read more
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fn in_arc(self) -> InArc<Self>
where A: Clone, B: Data, Self: Sized,

Adapt to operate on the contents of an Arc with efficient copy-on-write semantics Read more
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fn not(self) -> Then<Self, Not, B>
where Self: Sized, B: Into<bool> + Copy, bool: Into<B>,

A lens that reverses a boolean value Read more
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impl<T> RoundFrom<T> for T

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fn round_from(x: T) -> T

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impl<T, U> RoundInto<U> for T
where U: RoundFrom<T>,

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fn round_into(self) -> U

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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.