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Drain in std::string - Rust

 2 years ago
source link: https://doc.rust-lang.org/stable/std/string/struct.Drain.html
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pub fn as_str(&self) -> &str

Returns the remaining (sub)string of this iterator as a slice.

Examples

let mut s = String::from("abc");
let mut drain = s.drain(..);
assert_eq!(drain.as_str(), "abc");
let _ = drain.next().unwrap();
assert_eq!(drain.as_str(), "bc");
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