Age | Commit message (Collapse) | Author |
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In particular new error type `Error::BadArgument` added to help identify bad argument position or name (eg `self` for userdata).
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Using rustdoc links (see RFC https://github.com/rust-lang/rfcs/pull/1946)
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Squashed commit of the async branch.
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Okay, so this is kind of a mega-commit of a lot of performance related changes
to rlua, some of which are pretty complicated.
There are some small improvements here and there, but most of the benefits of
this change are from a few big changes. The simplest big change is that there
is now `protect_lua` as well as `protect_lua_call`, which allows skipping a
lightuserdata parameter and some stack manipulation in some cases. Second
simplest is the change to use Vec instead of VecDeque for MultiValue, and to
have MultiValue be used as a sort of "backwards-only" Vec so that ToLuaMulti /
FromLuaMulti still work correctly.
The most complex change, though, is a change to the way LuaRef works, so that
LuaRef can optionally point into the Lua stack instead of only registry values.
At state creation a set number of stack slots is reserved for the first N LuaRef
types (currently 16), and space for these are also allocated separately
allocated at callback time. There is a huge breaking change here, which is that
now any LuaRef types MUST only be used with the Lua on which they were created,
and CANNOT be used with any other Lua callback instance. This mostly will
affect people using LuaRef types from inside a scope callback, but hopefully in
those cases `Function::bind` will be a suitable replacement. On the plus side,
the rules for LuaRef types are easier to state now.
There is probably more easy-ish perf on the table here, but here's the
preliminary results, based on my very limited benchmarks:
create table time: [314.13 ns 315.71 ns 317.44 ns]
change: [-36.154% -35.670% -35.205%] (p = 0.00 < 0.05)
create array 10 time: [2.9731 us 2.9816 us 2.9901 us]
change: [-16.996% -16.600% -16.196%] (p = 0.00 < 0.05)
Performance has improved.
create string table 10 time: [5.6904 us 5.7164 us 5.7411 us]
change: [-53.536% -53.309% -53.079%] (p = 0.00 < 0.05)
Performance has improved.
call add function 3 10 time: [5.1134 us 5.1222 us 5.1320 us]
change: [-4.1095% -3.6910% -3.1781%] (p = 0.00 < 0.05)
Performance has improved.
call callback add 2 10 time: [5.4408 us 5.4480 us 5.4560 us]
change: [-6.4203% -5.7780% -5.0013%] (p = 0.00 < 0.05)
Performance has improved.
call callback append 10 time: [9.8243 us 9.8410 us 9.8586 us]
change: [-26.937% -26.702% -26.469%] (p = 0.00 < 0.05)
Performance has improved.
create registry 10 time: [3.7005 us 3.7089 us 3.7174 us]
change: [-8.4965% -8.1042% -7.6926%] (p = 0.00 < 0.05)
Performance has improved.
I think that a lot of these benchmarks are too "easy", and most API usage is
going to be more like the 'create string table 10' benchmark, where there are a
lot of handles and tables and strings, so I think that 25%-50% improvement is a
good guess for most use cases.
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Also rename to/from/pack/unpack to pack/unpack/pack_multi/unpack_multi, I don't
know if this makes their usage clearer, and it IS a bit confusing that I'm
changing the meaning of the words 'pack' and 'unpack'
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* Callbacks have generic argument and return types
* All variadics are done with tuples
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I am not actually sure what the best pattern is to import conflicting
standard types, but this is at least consistent.
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Rename the following:
LuaNil => Nil
LuaExternalError => ExternalError
LuaExternalResult => ExternalResult
LuaCallback => Callback (internal only)
Use qualified re-exports at the top of the module.
Add a new public 'prelude' module which re-exports everything with a
non-conflicting name (Adds back the Lua prefix), and is meant to be imported
unqualified.
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cc #15
Doesn't touch `LuaString` mainly because that's a *lot* of renaming work
and the code looks weird. Also I want feedback before I proceed.
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For this to work, both `T` and `E` need to implement `ToLua`. An `Ok(t)`
passes the contained `T`, while an `Err(e)` passes `nil` followed by the
contained `E`. This matches the common Lua idiom used by functions like
`io.open`.
Closes #3
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You will type hlist! hlist_pat! and HList! so often that every character
counts. Apologize for the API churn in the README.
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