Trait StringSubstring 

pub trait StringSubstring {
    // Required method
    fn substring(&self, start: Option<f64>, end: Option<f64>) -> String;
}

Required Methods

fn substring(&self, start: Option<f64>, end: Option<f64>) -> String

String.prototype.substring ( start , end ] ) https://tc39.es/ecma262/#sec-string.prototype.substring

Dyn Compatibility

This trait is dyn compatible.

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

Implementations on Foreign Types

impl StringSubstring for &str

fn substring(&self, start: Option<f64>, end: Option<f64>) -> String

Implementors