Editing WoW:Lua functions (section)

=== Core ===
: [[API assert|assert]](value[, errormsg]) - returns 'value' if not false. otherwise throws a Lua error using 'message'.
: [[API collectgarbage|collectgarbage]]() - Forces garbage collection. (added 1.10.1)
: [[API date|date]](format, time) - Returns the current date according to the user's machine.
: [[API error|error]]("error message",level) - Throws an error with the given error message. Use pcall() (see below) to catch errors.
: [[API gcinfo|gcinfo]]() - Returns the number of kB of add-on memory in use and the current garbage collection threshold (in kB).
: [[API getfenv|getfenv]](function or integer) - Returns the table representing the stack frame of the given function or stack level.
: [[API getmetatable|getmetatable]](obj, mtable) - Returns the metatable of the given table or userdata object.
: [[API loadstring|loadstring]]("Lua code") - Parse the string as Lua code and return it as a function reference.
: [[API next|next]](table, index) - Returns the next key, value pair of the table, allowing you to walk over the table.
: [[API newproxy|newproxy]](boolean or proxy) - Creates a userdata with a sharable metatable.
: [[API pcall|pcall]](func, arg1, arg2, ...) - Returns a true value indicating successful execution of 'func' and return values, otherwise false and the error message.
: [[API select|select]](index, list) - Returns the number of items in '''list''' or the value of the item in '''list''' at '''index'''.
: [[API setfenv|setfenv]](function or integer, table) - Sets the table representing the stack frame of the given function or stack level.
: [[API setmetatable|setmetatable]](obj, mtable) - Sets the metatable of the given table or userdata object.
: [[API time|time]](table) - Returns time in seconds since epoch (00:00:00 Jan 1 1970)
: [[API type|type]](var) - Returns the type of variable as a string, "number", "string", "table", "function" or "userdata".
: [[API unpack|unpack]](table[, start][, end]) - Returns the contents of its argument as separate values.
: [[API xpcall|xpcall]](func, err) - Returns a boolean indicating successful execution of func and calls err on failure, additionally returning func's or err's results.