michaelkuc6/blog_os
1
0
Fork 0
mirror of https://github.com/phil-opp/blog_os.git synced 2025-12-16 14:27:49 +00:00
Code Issues Projects Releases Wiki Activity

Add missing brackets

Browse Source
This commit is contained in:
Marcel Hlopko
2016-01-14 14:52:02 +01:00
parent 0c45cf1b97
commit db9e6c5739
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
posts/2015-10-23-printing-to-screen.md
View File

@@ -264,7 +264,7 @@ error: cannot move out of indexed content [E0507]
buffer.chars[row] = buffer.chars[row + 1]
^~~~~~~~~~~~~~~~~~~~~
```
It's because of Rust's move semantics again: We try to move out the `ScreenChar` at `row + 1`. If Rust would allow that, the array would become invalid as it would contain some valid and some moved out values. Fortunately, the `ScreenChar` type meets all criteria for the [Copy trait], so we can fix the problem by adding `#derive(Clone, Copy)` to `ScreenChar`.
It's because of Rust's move semantics again: We try to move out the `ScreenChar` at `row + 1`. If Rust would allow that, the array would become invalid as it would contain some valid and some moved out values. Fortunately, the `ScreenChar` type meets all criteria for the [Copy trait], so we can fix the problem by adding `#[derive(Clone, Copy)]` to `ScreenChar`.
Now we only need to implement the `clear_row` method to finish the newline code: