Trait StrExt 

pub trait StrExt {
    // Required methods
    fn repeat(&self, times: usize) -> String;
    fn to_lowercase(&self) -> String;
    fn to_uppercase(&self) -> String;
    fn to_ascii_uppercase(&self) -> String;
    fn to_ascii_lowercase(&self) -> String;
}

Extension trait to override methods that returns std’s String

Required Methods

fn repeat(&self, times: usize) -> String

Creates a new String by repeating a string times.

Panics

This function will panic if the capacity would overflow.

fn to_lowercase(&self) -> String

Returns the lowercase equivalent of this string slice, as a new String.

fn to_uppercase(&self) -> String

Returns the uppercase equivalent of this string slice, as a new String.

fn to_ascii_uppercase(&self) -> String

Returns a copy of this string where each character is mapped to its ASCII upper case equivalent.

ASCII letters ‘a’ to ‘z’ are mapped to ‘A’ to ‘Z’, but non-ASCII letters are unchanged.

fn to_ascii_lowercase(&self) -> String

Returns a copy of this string where each character is mapped to its ASCII lower case equivalent.

ASCII letters ‘A’ to ‘Z’ are mapped to ‘a’ to ‘z’, but non-ASCII letters are unchanged.

Dyn Compatibility

This trait is dyn compatible.

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

Implementations on Foreign Types

impl StrExt for str

fn repeat(&self, times: usize) -> String

fn to_lowercase(&self) -> String

fn to_uppercase(&self) -> String

fn to_ascii_uppercase(&self) -> String

fn to_ascii_lowercase(&self) -> String

Implementors