Server : nginx/1.20.1 System : Linux ccpf-production-2021 5.4.0-148-generic #165-Ubuntu SMP Tue Apr 18 08:53:12 UTC 2023 x86_64 User : forge ( 1000) PHP Version : 7.4.21 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory :  /usr/lib/node_modules/npm/node_modules/cyclist/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

var ensureTwoPower = function(n) {
	if (n && !(n & (n - 1))) return n;
	var p = 1;
	while (p < n) p <<= 1;
	return p;
};

var Cyclist = function(size) {
	if (!(this instanceof Cyclist)) return new Cyclist(size);
	size = ensureTwoPower(size);
	this.mask = size-1;
	this.size = size;
	this.values = new Array(size);
};

Cyclist.prototype.put = function(index, val) {
	var pos = index & this.mask;
	this.values[pos] = val;
	return pos;
};

Cyclist.prototype.get = function(index) {
	return this.values[index & this.mask];
};

Cyclist.prototype.del = function(index) {
	var pos = index & this.mask;
	var val = this.values[pos];
	this.values[pos] = undefined;
	return val;
};

module.exports = Cyclist;