Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

push nil into lua when possible #41

Merged
merged 2 commits into from
Dec 27, 2023
Merged

push nil into lua when possible #41

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
4d0e977
push nil into lua when possible
Domain Dec 23, 2023
406f01b
Use is operator instead of assignment.
Domain Dec 25, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
42 changes: 42 additions & 0 deletions source/lumars/state.d
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -688,6 +688,15 @@ struct LuaState
import std.conv : to;
import std.traits : isNumeric, isDynamicArray, isAssociativeArray, isDelegate, isPointer, isFunction,
PointerTarget, KeyType, ValueType, FieldNameTuple, TemplateOf, TemplateArgsOf;

static if (__traits(compiles, value is null))
{
if (value is null)
{
lua_pushnil(this.handle);
return;
}
}

static if(is(T == typeof(null)) || is(T == LuaNil))
lua_pushnil(this.handle);
Expand Down Expand Up @@ -1040,6 +1049,39 @@ struct LuaState
lua.pop(1);
}

unittest
{
string str = null;
auto lua = LuaState(null);

lua.globalTable["a"] = str;
lua.doString("assert(a == nil)");

lua.globalTable["b"] = "";
lua.doString("assert(b == '')");

class C {}
C c = null;
lua.globalTable["c"] = c;
lua.doString("assert(c == nil)");

string[int] d;
lua.globalTable["d"] = d;
lua.doString("assert(d == nil)");

int[] e;
lua.globalTable["e"] = e;
lua.doString("assert(e == nil)");

int function() f;
lua.globalTable["f"] = f;
lua.doString("assert(f == nil)");

int delegate() g;
lua.globalTable["g"] = g;
lua.doString("assert(g == nil)");
}

@nogc
bool next(int index) nothrow
{
Expand Down
Loading