Trait OptionParse 

pub trait OptionParse<I: ParseInput>: Parse<I> {
    // Required method
    fn parse_option(input: I) -> Result<Option<Self>>;
}

Provide Parse for Option<Self>.

Required Methods

fn parse_option(input: I) -> Result<Option<Self>>

Provide Parse::parse for Option<Self>.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl<T: Parse<I> + MaybeHasNiche<MnArray: MnArray<MaybeNiche: Niche<NeedsTag = B>>>, B: OptionParseBit<T, I>, I: ParseInput> OptionParse<I> for T