[][src]Struct arithmetic_eval::fns::Filter

pub struct Filter;

Filter function that evaluates the provided function on each item of the tuple and retains only elements for which the function returned true.

Type

fn<T>([T], fn(T) -> bool) -> [T]

Examples

let program = r#"
    xs = (1, -2, 3, -7, -0.3);
    filter(xs, |x| x > -1) == (1, 3, -0.3)
"#;
let program = Untyped::<F32Grammar>::parse_statements(program)?;

let module = Environment::new()
    .insert_native_fn("filter", fns::Filter)
    .compile_module("test_filter", &program)?;
assert_eq!(module.run()?, Value::Bool(true));

Trait Implementations

impl Clone for Filter[src]

impl Copy for Filter[src]

impl Debug for Filter[src]

impl Default for Filter[src]

impl<T: Clone> NativeFn<T> for Filter[src]

Auto Trait Implementations

impl RefUnwindSafe for Filter

impl Send for Filter

impl Sync for Filter

impl Unpin for Filter

impl UnwindSafe for Filter

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized
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impl<T> Borrow<T> for T where
    T: ?Sized
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impl<T> BorrowMut<T> for T where
    T: ?Sized
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impl<T> Conv for T

impl<T> Conv for T

impl<T> FmtForward for T

impl<T> From<T> for T[src]

impl<T, U> Into<U> for T where
    U: From<T>, 
[src]

impl<T> Pipe for T where
    T: ?Sized

impl<T> Pipe for T

impl<T> PipeAsRef for T

impl<T> PipeBorrow for T

impl<T> PipeDeref for T

impl<T> PipeRef for T

impl<T> Tap for T

impl<T> Tap for T

impl<T, U> TapAsRef<U> for T where
    U: ?Sized

impl<T, U> TapBorrow<U> for T where
    U: ?Sized

impl<T> TapDeref for T

impl<T> ToOwned for T where
    T: Clone
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type Owned = T

The resulting type after obtaining ownership.

impl<T> TryConv for T

impl<T> TryConv for T

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
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type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

impl<V, T> VZip<V> for T where
    V: MultiLane<T>,