prosody
42a0d9089de9
util/human/units.lua

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util/human/units.lua @ 10888:42a0d9089de9

util.human.units: Handle location of unpack() in Lua 5.1
author Kim Alvefur <zash@zash.se>
date Wed, 03 Jun 2020 19:46:17 +0200
parent 10886:994c4a333199
child 10889:25e0ec11b4e4
comparison
equal deleted inserted replaced
10887:3debe04a6162 10888:42a0d9089de9
1 local unpack = table.unpack or unpack; --luacheck: ignore 113
2
1 local large = { 3 local large = {
2 "k", 1000, 4 "k", 1000,
3 "M", 1000000, 5 "M", 1000000,
4 "G", 1000000000, 6 "G", 1000000000,
5 "T", 1000000000000, 7 "T", 1000000000000,
47 elseif n < 1 then 49 elseif n < 1 then
48 prefixes = small; 50 prefixes = small;
49 round = math.ceil; 51 round = math.ceil;
50 end 52 end
51 local m = math.max(0, math.min(8, round(math.abs(math.log(math.abs(n), logbase))))); 53 local m = math.max(0, math.min(8, round(math.abs(math.log(math.abs(n), logbase)))));
52 local prefix, multiplier = table.unpack(prefixes, m * 2-1, m*2); 54 local prefix, multiplier = unpack(prefixes, m * 2-1, m*2);
53 return fmt:format(n / (multiplier or 1), prefix or "", unit); 55 return fmt:format(n / (multiplier or 1), prefix or "", unit);
54 end 56 end
55 57
56 return { 58 return {
57 format = format; 59 format = format;