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author | kyren <kerriganw@gmail.com> | 2018-03-01 17:56:19 -0500 |
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committer | kyren <kerriganw@gmail.com> | 2018-03-01 17:56:19 -0500 |
commit | 37feaebdce19fa8d254cc3a2d3e467d80fc12888 (patch) | |
tree | d41930aaa704b16ac5d88916e00f250c2e68c9e4 /src/util.rs | |
parent | 8ac78c4585a026d5256186341cb2af79558b7164 (diff) | |
download | mlua-37feaebdce19fa8d254cc3a2d3e467d80fc12888.zip |
Also describe how protect_lua_call functions should not hold types that Drop
Diffstat (limited to 'src/util.rs')
-rw-r--r-- | src/util.rs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/util.rs b/src/util.rs index 10dcac7..f59aaca 100644 --- a/src/util.rs +++ b/src/util.rs @@ -103,7 +103,8 @@ where // limited lua stack. `nargs` and `nresults` are similar to the parameters of `lua_pcall`, but the // given function return type is not the return value count, instead the inner function return // values are assumed to match the `nresults` param. Internally uses 3 extra stack spaces, and does -// not call checkstack. Provided function must *not* panic. +// not call checkstack. Provided function must *not* panic, and since it will generally be +// lonjmping, should not contain any values that implement Drop. pub unsafe fn protect_lua_call<F, R>( state: *mut ffi::lua_State, nargs: c_int, |