partial_derive

Like Partial<T> of TypeScript, makes all the properties of a struct type an optional property.

Provides Partial derive macro.

#[derive(Partial, Clone)]
#[partial_derive(Clone)]
struct SomeStruct {
    pub field_one: i32,
    field_two: Vec<bool>,
}

generates

#[derive(Clone)]
struct PartialSomeStruct {
    pub field_one: Option<i32>,
    field_two: Option<Vec<bool>>,
}