michaelkuc6/blog_os
1
0
Fork 0
mirror of https://github.com/phil-opp/blog_os.git synced 2025-12-16 22:37:49 +00:00
Code Issues Projects Releases Wiki Activity

fix #411 (#412)

Browse Source
This commit is contained in:
Paul
2018-03-11 03:08:14 -07:00
committed by Philipp Oppermann
parent 558e9237fd
commit b7b8c5ff61
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
blog/content/second-edition/posts/03-vga-text-buffer/index.md
View File

@@ -576,7 +576,7 @@ pub fn print(args: fmt::Arguments) {
The `print` function locks our static `WRITER` and calls the `write_fmt` method on it. This method is from the `Write` trait, we need to import that trait. The additional `unwrap()` at the end panics if printing isn't successful. But since we always return `Ok` in `write_str`, that should not happen. The `print` function locks our static `WRITER` and calls the `write_fmt` method on it. This method is from the `Write` trait, we need to import that trait. The additional `unwrap()` at the end panics if printing isn't successful. But since we always return `Ok` in `write_str`, that should not happen.
### Hello World using `println` ### Hello World using `println`
To use `println` in `lib.rs`, we need to import the macros of the VGA buffer module first. Therefore we add a `#[macro_use]` attribute to the module declaration: To use `println` in `main.rs`, we need to import the macros of the VGA buffer module first. Therefore we add a `#[macro_use]` attribute to the module declaration:
```rust ```rust
// in src/main.rs // in src/main.rs