Add @alignCast to downcast (#11)

spookee0 · web-flow · commit d4438aa9a284 · 2025-10-30T12:31:31.000+01:00
diff --git a/src/main.zig b/src/main.zig
@@ -644,7 +644,7 @@ pub const Interface = struct {
     /// if there's a mismatch. When this convention doesn't work, use @fieldParentPtr directly.
     pub fn downcast(comptime Implementer: type, interface_ref: anytype) *Implementer {
         const field_name = comptime std.meta.fieldNames(Implementer).*[0];
-        return @fieldParentPtr(field_name, interface_ref);
+        return @alignCast(@fieldParentPtr(field_name, interface_ref));
     }
 
     /// Instantiates an interface type and populates its function pointers to point to

Original file line number	Diff line number	Diff line change
`@@ -644,7 +644,7 @@ pub const Interface = struct {`
`644`	`644`	`/// if there's a mismatch. When this convention doesn't work, use @fieldParentPtr directly.`
`645`	`645`	`pub fn downcast(comptime Implementer: type, interface_ref: anytype) *Implementer {`
`646`	`646`	`const field_name = comptime std.meta.fieldNames(Implementer).*[0];`
`647`		`- return @fieldParentPtr(field_name, interface_ref);`
	`647`	`+ return @alignCast(@fieldParentPtr(field_name, interface_ref));`
`648`	`648`	`}`
`649`	`649`
`650`	`650`	`/// Instantiates an interface type and populates its function pointers to point to`