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Replaced table concat with str concat in lume.lambda()

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This offers an improvement in performance for the function on Lua5.1,
5.2 and JIT 2.0.2
This commit is contained in:
rxi 2014-03-08 22:15:08 +00:00
parent f8cbfc0bb0
commit fbb5cbac1a
1 changed files with 2 additions and 2 deletions
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4
lume.lua
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@ -215,8 +215,8 @@ end
function lume.lambda(str) function lume.lambda(str)
local args, body = str:match([[^([%w,_ ]-)%->(.-)$]]) local args, body = str:match([[^([%w,_ ]-)%->(.-)$]])
assert(args and body, "bad string lambda") assert(args and body, "bad string lambda")
local t = { "return function(", args, ")\nreturn ", body, "\nend" } local s = "return function(" .. args .. ")\nreturn " .. body .. "\nend"
return lume.dostring(table.concat(t)) return lume.dostring(s)
end end