代码搜索：Lua
找到约 9,588 项符合「Lua」的源代码
代码结果 9,588
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lua readonly.lua
-- make global variables readonly
local f=function (t,i) error("cannot redefine global variable `"..i.."'",2) end
local g={}
local G=getfenv()
setmetatable(g,{__index=G,__newindex=f})
setfenv(1
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lua undefined.lua
-- catch "undefined" global variables
local f=function (t,i) error("undefined global variable `"..i.."'",2) end
setmetatable(getfenv(),{__index=f})
-- an example
a=1
c=3
print(a,b,c) -- `b'
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lua bisect.lua
-- bisection method for solving non-linear equations
delta=1e-6 -- tolerance
function bisect(f,a,b,fa,fb)
local c=(a+b)/2
io.write(n," c=",c," a=",a," b=",b,"\n")
if c==a or c==b or math.a
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lua table.lua
-- make table, grouping all data for the same item
-- input is 2 columns (item, data)
local A
while 1 do
local l=io.read()
if l==nil then break end
local _,_,a,b=string.find(l,'"?([_%w]+)"?
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lua fib.lua
-- fibonacci function with cache
-- very inefficient fibonacci function
function fib(n)
N=N+1
if n
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lua printf.lua
-- an implementation of printf
function printf(...)
io.write(string.format(unpack(arg)))
end
printf("Hello %s from %s on %s\n",os.getenv"USER" or "there",_VERSION,os.date())
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lua fibfor.lua
-- example of for with generator functions
function generatefib (n)
return coroutine.wrap(function ()
local a,b = 1, 1
while a
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lua globals.lua
-- reads luac listings and reports global variable usage
-- lines where a global is written to are marked with "*"
-- typical usage: luac -p -l file.lua | lua globals.lua | sort | lua table.lua
w
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lua env.lua
-- read environment variables as if they were global variables
local f=function (t,i) return os.getenv(i) end
setmetatable(getfenv(),{__index=f})
-- an example
print(a,USER,PATH)
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lua life.lua
-- life.lua
-- original by Dave Bollinger posted to lua-l
-- modified to use ANSI terminal escape sequences
-- modified to use for instead of while
local write=io.wri