Mercurial > prosody-hg
comparison util/format.lua @ 12040:337b489532b7
util.format: Optimize most common integer format
A search for log formats in use points to %s being the most common,
followed by %d, so worth having a fast path for that. %g works well with
most numbers and is what Lua 5.1 and 5.2 used
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Mon, 13 Dec 2021 16:38:33 +0100 |
| parents | e0a8c5b1ab4f |
| children | 25b853e64d83 |
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| 12039:e0a8c5b1ab4f | 12040:337b489532b7 |
|---|---|
| 67 local t = type(arg); | 67 local t = type(arg); |
| 68 | 68 |
| 69 if option == "s" and t == "string" and not arg:find("[%z\1-\31\128-\255]") then | 69 if option == "s" and t == "string" and not arg:find("[%z\1-\31\128-\255]") then |
| 70 -- No UTF-8 or control characters, assumed to be the common case. | 70 -- No UTF-8 or control characters, assumed to be the common case. |
| 71 return | 71 return |
| 72 elseif t == "number" then | |
| 73 if option == "g" or (option == "d" and num_type(arg) == "integer") then return end | |
| 72 elseif option == "s" and t ~= "string" then | 74 elseif option == "s" and t ~= "string" then |
| 73 arg = tostring(arg); | 75 arg = tostring(arg); |
| 74 t = "string"; | 76 t = "string"; |
| 75 end | 77 end |
| 76 | 78 |