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Update blog to 1284ea3657

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2016-01-14 13:57:55 +00:00
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_posts/2015-10-23-printing-to-screen.md
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@@ -264,7 +264,7 @@ error: cannot move out of indexed content [E0507]
buffer.chars[row] = buffer.chars[row + 1] 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: Now we only need to implement the `clear_row` method to finish the newline code: