Struct SetValueCommand

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pub struct SetValueCommand<T: Clone + Send + Sync + 'static> { /* private fields */ }

Expand description

Simple value change command

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impl<T: Clone + Send + Sync + 'static> SetValueCommand<T>

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pub fn new( description: impl Into<String>, value: Arc<RwLock<T>>, new_value: T, ) -> Self

Trait Implementations§

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impl<T: Clone + Send + Sync + 'static> Command for SetValueCommand<T>

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fn execute(&mut self) -> CommandResult

Execute the command

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fn undo(&mut self) -> CommandResult

Undo the command

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fn description(&self) -> &str

Get command description

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fn redo(&mut self) -> CommandResult

Redo the command (default: re-execute)

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fn can_merge(&self, _other: &dyn Command) -> bool

Check if command can be merged with another

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fn merge(&mut self, _other: Box<dyn Command>) -> Option<Box<dyn Command>>

Merge with another command (returns merged command)

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fn memory_size(&self) -> usize

Estimate memory usage of this command

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fn metadata(&self) -> Option<&dyn Any>

Get command metadata

Auto Trait Implementations§

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impl<T> UnwindSafe for SetValueCommand<T>
where T: UnwindSafe,

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 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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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