rust-clippy/tests/ui/redundant_as_str.rs

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#![warn(clippy::redundant_as_str)]
#![allow(clippy::const_is_empty)]
fn main() {
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let string = "Hello, world!".to_owned();
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// These methods are redundant and the `as_str` can be removed
let _redundant = string.as_str().as_bytes();
let _redundant = string.as_str().is_empty();
// These methods don't use `as_str` when they are redundant
let _no_as_str = string.as_bytes();
let _no_as_str = string.is_empty();
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// These methods are not redundant, and are equivalent to
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// doing dereferencing the string and applying the method
let _not_redundant = string.as_str().escape_unicode();
let _not_redundant = string.as_str().trim();
let _not_redundant = string.as_str().split_whitespace();
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// These methods don't use `as_str` and are applied on a `str` directly
let borrowed_str = "Hello, world!";
let _is_str = borrowed_str.as_bytes();
let _is_str = borrowed_str.is_empty();
}