Trait ToKey 

pub trait ToKey {
    // Required method
    fn to_key(&self) -> String;
}

Trait for types that can be converted to a key for grouping operations.

Required Methods

fn to_key(&self) -> String

Convert the value to a key.

Implementations on Foreign Types

impl ToKey for &str

fn to_key(&self) -> String

impl ToKey for bool

fn to_key(&self) -> String

impl ToKey for f32

fn to_key(&self) -> String

impl ToKey for f64

fn to_key(&self) -> String

impl ToKey for i32

fn to_key(&self) -> String

impl ToKey for i64

fn to_key(&self) -> String

impl ToKey for u32

fn to_key(&self) -> String

impl ToKey for u64

fn to_key(&self) -> String

impl ToKey for String

fn to_key(&self) -> String

Implementors