prosody
0a31ec3193f0
util/cache.lua

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util/cache.lua @ 6943:0a31ec3193f0

util.cache: Make sure cache size is specified as an integer
author Kim Alvefur <zash@zash.se>
date Wed, 25 Nov 2015 20:49:41 +0100
parent 6933:d636815d81c3
child 6945:d779c55058c6
comparison
equal deleted inserted replaced
6942:f12deb882148 6943:0a31ec3193f0
1 local cache_methods = {}; 1 local cache_methods = {};
2 local cache_mt = { __index = cache_methods }; 2 local cache_mt = { __index = cache_methods };
3 3
4 local function new(size) 4 local function new(size)
5 size = assert(tonumber(size), "cache size must be a number");
6 size = math.floor(size);
5 assert(size > 0, "cache size must be greater than zero"); 7 assert(size > 0, "cache size must be greater than zero");
6 local data = {}; 8 local data = {};
7 return setmetatable({ data = data, count = 0, size = size, head = nil, tail = nil }, cache_mt); 9 return setmetatable({ data = data, count = 0, size = size, head = nil, tail = nil }, cache_mt);
8 end 10 end
9 11