String in std::string - Rust

pub struct String { /* private fields */ }Expand description A UTF-8–encoded, growable string. String is the most common string type. It has ownership over the contents of the string, stored in a heap-allocated buffer (see Representation). It is closely related to its borrowed counterpart, the primitive str. §Examples You can create a String from a literal string with String::from:

[nacika_inscatolare]

as_str が unstable になってる。