rust/book
1
0
Fork 0
mirror of https://github.com/rust-lang/book.git synced 2026-05-17 22:31:47 -04:00
Code Issues Packages Projects Releases Wiki Activity

Update ch04-03-slices.md

Browse Source 
Add Deref Coercions annotations
This commit is contained in:
Morris Li
2021-06-30 17:14:17 +08:00
committed by Carol (Nichols || Goulding)
parent ffa44f28a6
commit 4c19489368
1 changed files with 5 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
src/ch04-03-slices.md
View File

@@ -256,8 +256,10 @@ and `&str` values.
a string slice for the type of the `s` parameter</span>
If we have a string slice, we can pass that directly. If we have a `String`, we
can pass a slice of the entire `String`. Defining a function to take a string
slice instead of a reference to a `String` makes our API more general and useful
can pass a slice of the entire `String`. We can also pass the reference of
`String`, thanks to [Deref Coercions][deref-coercions]<!--ignore-->, a feature
we will cover later in Chapter 15. Defining a function to take a string slice
instead of a reference to a `String` makes our API more general and useful
without losing any functionality:
<span class="filename">Filename: src/main.rs</span>
@@ -304,3 +306,4 @@ these concepts further throughout the rest of the book. Let’s move on to
Chapter 5 and look at grouping pieces of data together in a `struct`.
[strings]: ch08-02-strings.html#storing-utf-8-encoded-text-with-strings
[deref-coercions]: ch15-02-deref.html#implicit-deref-coercions-with-functions-and-methods