| local sem_t = {} | |
| sem_t.__index = sem_t | |
| function sem_t:wait() | |
| if self.value == 0 then -- cannot decrement, wait for increment | |
| local thread = coroutine.running() | |
| table.insert(self.threads, thread) | |
| coroutine.yield() | |
| end |
No: This function or field will be missing in this version.
Yes: This function or field is supported unconditionally in this version.
Maybe: This function or field is behind a LUA_COMPAT_* define and may or may not be available.
| Feature | Lua 5.1 | Lua 5.2 | Lua 5.3 | Lua 5.4 |
|---|---|---|---|---|
| Base Library | ||||
assert(v, [msg]) |
Yes | Yes | Yes | Yes |
| local pack, unpack, char, byte = string.pack, string.unpack, string.char, string.byte | |
| local random = math.random | |
| local leftover_fmt = {'>I1', '>I2', '>I3'} | |
| local function mask_message(data, mask) | |
| local res = {} |
| local ffi = require 'ffi' | |
| local function permute_inner(arr, l, r) | |
| if l == r then | |
| coroutine.yield(ffi.string(arr)) | |
| else | |
| for i = l, r do | |
| arr[l], arr[i] = arr[i], arr[l] | |
| permute_inner(arr, l + 1, r) | |
| arr[l], arr[i] = arr[i], arr[l] |
| local uv = require 'uv' | |
| local buffer = "" | |
| local waiting = {} | |
| process.stdin:on("data", function(data) | |
| if not data then return end | |
| buffer = buffer .. data |
| local ffi = require 'ffi' | |
| local fs = require 'fs' | |
| local Process = {} | |
| Process.__index = Process | |
| if ffi.abi('win') then | |
| local psapi = ffi.load('psapi') | |
| ffi.cdef [[ |
| local ffi = require 'ffi' | |
| local Mutex = {} | |
| Mutex.__index = Mutex | |
| if ffi.abi('win') then | |
| -- trust me on these, we treat CRITICAL_SECTION like an opaque pointer. | |
| local sizeof_critical_section = ffi.abi('32bit') and 24 or 40; | |
| local libc = ffi.load('msvcrt') |
| #!/bin/bash | |
| base="$PWD" | |
| file="$PWD/version.md" | |
| git clone https://github.com/luvit/lit | |
| git clone https://github.com/luvit/luvi | |
| echo "" >$file |
| local fs = require 'fs' | |
| local json = require 'json' | |
| local Database = {} | |
| Database.__index = Database | |
| function Database.load(path) | |
| local self = setmetatable({}, Database) | |
| self.path = path |
