Struct Params 

pub struct Params<'a>(/* private fields */);

A collection of error parameters, either safe or unsafe.

Implementations

impl<'a> Params<'a>

pub fn iter(&self) -> ParamsIter<'a>

Returns an iterator over the key-value parameter pairs.

pub fn len(&self) -> usize

Returns the number of parameters.

pub fn is_empty(&self) -> bool

Determines if there are no parameters.

Trait Implementations

impl<'a> Debug for Params<'a>

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

Formats the value using the given formatter.

impl Index<&str> for Params<'_>

type Output = Any

The returned type after indexing.

fn index(&self, key: &str) -> &Any

Performs the indexing (container[index]) operation.

impl<'a> IntoIterator for &Params<'a>

type Item = (&'a str, &'a Any)

The type of the elements being iterated over.

type IntoIter = ParamsIter<'a>

Which kind of iterator are we turning this into?

fn into_iter(self) -> ParamsIter<'a>

Creates an iterator from a value.