#![warn(clippy::string_slice)] #![allow(clippy::no_effect)] use std::borrow::Cow; fn main() { &"Ölkanne"[1..]; //~^ ERROR: indexing into a string may panic if the index is within a UTF-8 character //~| NOTE: `-D clippy::string-slice` implied by `-D warnings` let m = "Mötörhead"; &m[2..5]; //~^ ERROR: indexing into a string may panic if the index is within a UTF-8 character let s = String::from(m); &s[0..2]; //~^ ERROR: indexing into a string may panic if the index is within a UTF-8 character let a = Cow::Borrowed("foo"); &a[0..3]; //~^ ERROR: indexing into a string may panic if the index is within a UTF-8 character }