pub enum SetMode {
    Set,
    Replace,
    Add,
}
Expand description

Dictionary insertion mode.

Variants§

§

Set

Sets the value associated with the key in the dictionary.

§

Replace

Sets the value associated with the key in the dictionary only if the key was already present in it.

§

Add

Sets the value associated with key in dictionary, but only if it is not already present.

Implementations§

Returns true if the new value can replace the old value for the same key.

Returns true if inserting a value can add a new key to the dictionary.

Trait Implementations§

Returns a copy of the value. Read more
Performs copy-assignment from source. Read more
Formats the value using the given formatter. Read more
This method tests for self and other values to be equal, and is used by ==.
This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

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.

Should always be Self
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.