Struct ValInitializer 

pub struct ValInitializer(/* private fields */);

A type using for initialize the option value.

Implementations

impl ValInitializer

pub fn new<U: ErasedTy>(init: impl InitializeValue<Vec<U>> + 'static) -> Self

pub fn new_value<U: Clone + ErasedTy>(val: U) -> Self

pub fn new_values<U: Clone + ErasedTy>(vals: Vec<U>) -> Self

pub fn fallback() -> Self

Default value initializer, do nothing.

pub fn invoke(&mut self, arg: &mut AnyValue) -> Result<(), Error>

pub fn values<T: ErasedTy>(&mut self) -> Result<Option<Vec<T>>, Error>

Get the default value.

Trait Implementations

impl Debug for ValInitializer

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<T: FnMut(&mut AnyValue) -> Result<(), Error> + Send + Sync + 'static> From<T> for ValInitializer

Available on crate feature sync only.

fn from(value: T) -> Self

Converts to this type from the input type.