class Main { static function main() { new Main(); } var a = "world"; function new () { trace("hello " + a); } } class Main: def __init__(self): self.a = None self.a = "world" print(str(("hello " + HxOverrides.stringOrNull(self.a)))) @staticmethod def main(): Main() class HxOverrides: @staticmethod def stringOrNull(s): if (s is None): return "null" else: return s Main.main() Issue : #2924 定数畳み込みの強化
![Haxe3.2の新機能まとめ - Qiita](https://cdn-ak-scissors.b.st-hatena.com/image/square/e89bd37e58f8266e2fc302285ab25e6a482edb9e/height=288;version=1;width=512/https%3A%2F%2Fqiita-user-contents.imgix.net%2Fhttps%253A%252F%252Fcdn.qiita.com%252Fassets%252Fpublic%252Farticle-ogp-background-9f5428127621718a910c8b63951390ad.png%3Fixlib%3Drb-4.0.0%26w%3D1200%26mark64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTkxNiZoPTMzNiZ0eHQ9SGF4ZTMuMiVFMyU4MSVBRSVFNiU5NiVCMCVFNiVBOSU5RiVFOCU4MyVCRCVFMyU4MSVCRSVFMyU4MSVBOCVFMyU4MiU4MSZ0eHQtY29sb3I9JTIzMjEyMTIxJnR4dC1mb250PUhpcmFnaW5vJTIwU2FucyUyMFc2JnR4dC1zaXplPTU2JnR4dC1jbGlwPWVsbGlwc2lzJnR4dC1hbGlnbj1sZWZ0JTJDdG9wJnM9YWZjNTUzMjEwMDAyZmZjYTgyMTc1MTQzZWM4YThiMTg%26mark-x%3D142%26mark-y%3D112%26blend64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTYxNiZ0eHQ9JTQwc2hvaGVpOTA5JnR4dC1jb2xvcj0lMjMyMTIxMjEmdHh0LWZvbnQ9SGlyYWdpbm8lMjBTYW5zJTIwVzYmdHh0LXNpemU9MzYmdHh0LWFsaWduPWxlZnQlMkN0b3Amcz1kMGU0Y2U0M2Q3MjhhYmVmMjZmNmYxOGFlMTZmMGJlYQ%26blend-x%3D142%26blend-y%3D491%26blend-mode%3Dnormal%26s%3Dae35ac468b9ca98bdd899f0db155f1e4)