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util/xpcall.lua @ 11698:9a2a98621c73
net.server_epoll: Optimize concatenation of exactly 2 buffer chunks
Saves a function call. I forget if I measured this kind of thing but
IIRC infix concatenation is faster than a function call up to some
number of items, but let's stop at 2 here.
author | Kim Alvefur <zash@zash.se> |
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date | Fri, 16 Jul 2021 15:40:08 +0200 |
parent | 9561:cfc7b2f7251e |
child | 12975:d10957394a3c |
rev | line source |
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9561
cfc7b2f7251e
util.xpcall, util.compat: Add non-hacky multi-argument xpcall() for Lua 5.1
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
1 local xpcall = xpcall; |
cfc7b2f7251e
util.xpcall, util.compat: Add non-hacky multi-argument xpcall() for Lua 5.1
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
2 |
cfc7b2f7251e
util.xpcall, util.compat: Add non-hacky multi-argument xpcall() for Lua 5.1
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
3 if select(2, xpcall(function (x) return x end, function () end, "test")) ~= "test" then |
cfc7b2f7251e
util.xpcall, util.compat: Add non-hacky multi-argument xpcall() for Lua 5.1
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
4 xpcall = require"util.compat".xpcall; |
cfc7b2f7251e
util.xpcall, util.compat: Add non-hacky multi-argument xpcall() for Lua 5.1
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
5 end |
cfc7b2f7251e
util.xpcall, util.compat: Add non-hacky multi-argument xpcall() for Lua 5.1
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
6 |
cfc7b2f7251e
util.xpcall, util.compat: Add non-hacky multi-argument xpcall() for Lua 5.1
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
7 return { |
cfc7b2f7251e
util.xpcall, util.compat: Add non-hacky multi-argument xpcall() for Lua 5.1
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
8 xpcall = xpcall; |
cfc7b2f7251e
util.xpcall, util.compat: Add non-hacky multi-argument xpcall() for Lua 5.1
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
9 }; |