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| -rw-r--r-- | src/doc/trpl/more-strings.md | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/src/doc/trpl/more-strings.md b/src/doc/trpl/more-strings.md index a2a558094e1..6567cd448f9 100644 --- a/src/doc/trpl/more-strings.md +++ b/src/doc/trpl/more-strings.md @@ -278,7 +278,18 @@ This will print: Many more bytes than graphemes! -# Other Documentation +# `Deref` coercions -* [the `&str` API documentation](../std/str/index.html) -* [the `String` API documentation](../std/string/index.html) +References to `String`s will automatically coerce into `&str`s. Like this: + +``` +fn hello(s: &str) { + println!("Hello, {}!", s); +} + +let slice = "Steve"; +let string = "Steve".to_string(); + +hello(slice); +hello(&string); +``` |