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authorJoe Wilm <joe@jwilm.com>2018-05-19 11:18:37 -0700
committerJoe Wilm <joe@jwilm.com>2018-06-02 09:56:50 -0700
commitc61a912f6221a320ec4787cd883527b0e7f26a8e (patch)
tree6eed1e00673b08885b57d5f5d8c24738b49758e4 /assets
parent4b1a3b1e929bbf580de7106a688043bb44523a7f (diff)
downloadalacritty-c61a912f6221a320ec4787cd883527b0e7f26a8e.tar.gz
alacritty-c61a912f6221a320ec4787cd883527b0e7f26a8e.zip
Optimize Row::reset
Now, only cells that have been used are cleared. This is achieved by using a "occupied" memo on the Row itself. The value, `occ`, is updated wherever the Row is accessed mutably, and it's cleared to zero in Row::reset. The tests for grid scroll_up and scroll_down were updated to include a test on the value `occ` and slightly refactored, but are otherwise equivalent to the previous implementation of those tests. Because of the change to the `Row` struct, the ref tests were updated so Deserialization keeps working as expected.
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