Trait Matcher 

pub trait Matcher {
    type Match<'a>;

    // Required method
    fn try_match(array: &ArrayRef) -> Option<Self::Match<'_>>;

    // Provided method
    fn matches(array: &ArrayRef) -> bool { ... }
}

Trait for matching array types.

Required Associated Types

type Match<'a>

Required Methods

fn try_match(array: &ArrayRef) -> Option<Self::Match<'_>>

Try to match the given array, returning the matched view type if successful.

Provided Methods

fn matches(array: &ArrayRef) -> bool

Check if the given array matches this matcher type

Dyn Compatibility

This trait is not dyn compatible.

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

Implementors

impl Matcher for AnyScalarFn

type Match<'a> = ArrayView<'a, ScalarFn>

impl Matcher for AnyCanonical

type Match<'a> = CanonicalView<'a>

impl Matcher for AnyColumnar

type Match<'a> = ColumnarView<'a>

impl Matcher for AnyArray

type Match<'a> = &'a ArrayRef

impl<F: ScalarFnVTable> Matcher for ExactScalarFn<F>

type Match<'a> = ScalarFnArrayView<'a, F>

impl<V: VTable> Matcher for V

type Match<'a> = ArrayView<'a, V>