Sha256: cb88dbd2298e7af157db67458cb61223b4ec9ff6108665f7ad5baea513eee514
Contents?: true
Size: 870 Bytes
Versions: 396
Compression:
Stored size: 870 Bytes
Contents
local CircularBuffer = {}
CircularBuffer.__index = CircularBuffer
function CircularBuffer:read()
if self.head == self.tail then error('buffer is empty') end
self.tail = self.tail + 1
return self.items[self.tail - 1]
end
function CircularBuffer:write(item)
if item == nil then return end
if (self.head - self.tail) == self.capacity then error('buffer is full') end
table.insert(self.items, self.head, item)
self.head = self.head + 1
end
function CircularBuffer:forceWrite(item)
if item == nil then return end
if (self.head - self.tail) == self.capacity then self.tail = self.tail + 1 end
self:write(item)
end
function CircularBuffer:clear()
self.items = {}
self.head = 1
self.tail = 1
end
return {
new = function(_, capacity)
local self = setmetatable({ capacity = capacity }, CircularBuffer)
self:clear()
return self
end
}
Version data entries
396 entries across 396 versions & 1 rubygems