pub struct WeakProgressBar { /* private fields */ }
Expand description

A weak reference to a ProgressBar.

Useful for creating custom steady tick implementations

Implementations

Create a new WeakProgressBar that returns None when upgrade is called.

Attempts to upgrade the Weak pointer to a ProgressBar, delaying dropping of the inner value if successful. Returns None if the inner value has since been dropped.

Trait Implementations

Returns a copy of the value. Read more
Performs copy-assignment from source. Read more
Returns the “default value” for a type. Read more

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

The alignment of pointer.
The type for initializers.
Initializes a with the given initializer. Read more
Dereferences the given pointer. Read more
Mutably dereferences the given pointer. Read more
Drops the object pointed to by the given pointer. Read more
The resulting type after obtaining ownership.
Creates owned data from borrowed data, usually by cloning. Read more
Uses borrowed data to replace owned data, usually by cloning. Read more
The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.