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LinkedList implemented

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This commit is contained in:
jonathan santis 2024-11-01 11:34:24 +01:00
parent b7ee15f76a
commit e91c744c16
1 changed files with 11 additions and 25 deletions
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36
primitives.zig
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@ -56,17 +56,18 @@ pub fn LinkedList() type {
self.length += 1; self.length += 1;
} }
pub fn next(self: *Self) Point { pub fn next(self: *Self) Point {
var current: ?*Node = undefined; var elem: ?*Node = undefined;
if (self.current != null) {
current = self.current;
self.current = self.current.?.next;
} else {
current = self.head;
self.current = self.head;
}
return current.?.point; if (self.current == null) {
elem = self.head;
self.current = self.head.?.next;
} else {
elem = self.current;
self.current = self.current.?.next;
}
return elem.?.point;
} }
pub fn dump(self: *Self) ![]Point { pub fn dump(self: *Self) ![]Point {
const allocator = self.allocator; const allocator = self.allocator;
var node = self.head; var node = self.head;
@ -101,25 +102,10 @@ test "test linked list" {
const points: []Point = try polygon.dump(); const points: []Point = try polygon.dump();
for (points) |point| { for (points) |point| {
std.debug.print("x:{}\n", .{point.x}); std.debug.print("Point dump:{}\n", .{point});
std.debug.print("y:{}\n", .{point.y});
std.debug.print("z:{}\n", .{point.z});
} }
std.debug.print("next:{}\n", .{polygon.next()}); std.debug.print("next:{}\n", .{polygon.next()});
std.debug.print("next:{}\n", .{polygon.next()}); std.debug.print("next:{}\n", .{polygon.next()});
std.debug.print("next:{}\n", .{polygon.next()});
std.debug.print("next:{}\n", .{polygon.next()});
std.debug.print("next:{}\n", .{polygon.next()});
std.debug.print("next:{}\n", .{polygon.next()});
std.debug.print("next:{}\n", .{polygon.next()});
std.debug.print("next:{}\n", .{polygon.next()});
std.debug.print("next:{}\n", .{polygon.next()});
std.debug.print("next:{}\n", .{polygon.next()});
std.debug.print("next:{}\n", .{polygon.next()});
std.debug.print("next:{}\n", .{polygon.next()});
std.debug.print("next:{}\n", .{polygon.next()});
std.debug.print("next:{}\n", .{polygon.next()});
std.debug.print("next:{}\n", .{polygon.next()});
} }
pub fn pixel(buffer: []u8, w: Winsize, x: i64, y: i64, symbol: u21) !void { pub fn pixel(buffer: []u8, w: Winsize, x: i64, y: i64, symbol: u21) !void {