Improved Integer bounds checking with Saturated Operators.
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3e1e6200b4
commit
96cbae13fc
1 changed files with 12 additions and 12 deletions
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@ -15,20 +15,20 @@ pub fn all(win: Window, style: Style) Window {
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const h = win.height;
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const w = win.width;
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win.writeCell(0, 0, .{ .char = top_left, .style = style });
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win.writeCell(0, h - 1, .{ .char = bottom_left, .style = style });
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win.writeCell(w - 1, 0, .{ .char = top_right, .style = style });
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win.writeCell(w - 1, h - 1, .{ .char = bottom_right, .style = style });
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win.writeCell(0, h -| 1, .{ .char = bottom_left, .style = style });
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win.writeCell(w -| 1, 0, .{ .char = top_right, .style = style });
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win.writeCell(w -| 1, h -| 1, .{ .char = bottom_right, .style = style });
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var i: usize = 1;
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while (i < (h - 1)) : (i += 1) {
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while (i < (h -| 1)) : (i += 1) {
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win.writeCell(0, i, .{ .char = vertical, .style = style });
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win.writeCell(w - 1, i, .{ .char = vertical, .style = style });
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win.writeCell(w -| 1, i, .{ .char = vertical, .style = style });
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}
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i = 1;
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while (i < w - 1) : (i += 1) {
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while (i < w -| 1) : (i += 1) {
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win.writeCell(i, 0, .{ .char = horizontal, .style = style });
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win.writeCell(i, h - 1, .{ .char = horizontal, .style = style });
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win.writeCell(i, h -| 1, .{ .char = horizontal, .style = style });
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}
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return win.initChild(1, 1, .{ .limit = w - 2 }, .{ .limit = h - 2 });
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return win.initChild(1, 1, .{ .limit = w -| 2 }, .{ .limit = h -| 2 });
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}
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pub fn right(win: Window, style: Style) Window {
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@ -36,9 +36,9 @@ pub fn right(win: Window, style: Style) Window {
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const w = win.width;
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var i: usize = 0;
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while (i < h) : (i += 1) {
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win.writeCell(w - 1, i, .{ .char = vertical, .style = style });
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win.writeCell(w -| 1, i, .{ .char = vertical, .style = style });
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}
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return win.initChild(0, 0, .{ .limit = w - 1 }, .expand);
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return win.initChild(0, 0, .{ .limit = w -| 1 }, .expand);
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}
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pub fn bottom(win: Window, style: Style) Window {
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@ -46,7 +46,7 @@ pub fn bottom(win: Window, style: Style) Window {
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const w = win.width;
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var i: usize = 0;
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while (i < w) : (i += 1) {
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win.writeCell(i, h - 1, .{ .char = horizontal, .style = style });
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win.writeCell(i, h -| 1, .{ .char = horizontal, .style = style });
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}
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return win.initChild(0, 0, .expand, .{ .limit = h - 1 });
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return win.initChild(0, 0, .expand, .{ .limit = h -| 1 });
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}
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