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AJvYcCUY5THg3qblPuclS2drpEXTug9ovM8gc3yKqJ8xRZfMVNZIS2z1Se1mflW52kjP0PiSP/pwQZXBl6RNBC9Dlw==@vger.kernel.org X-Gm-Message-State: AOJu0Yx+a4K0wh+ilh9Vn4UzjtsixLH3Uh5B5ykdT/FH4RDR1DOEkXZL dCxhUM+NGSM70A4LjDN2QTexaUrh8lFCDLVYXXz0We9yG1aLalrv7hjjfukhdZIIBVIzObOMx9r VW4sLoqQ5srBQl2Gj0A== X-Google-Smtp-Source: AGHT+IG6yPMkO9jM7petOD8J9NTleSm/goiR/WLTyxvYA+RDKwpsQ+z3Wdkkp8ZmZDL9W2QNPMGOPXGF1tzIdys= X-Received: from wmsr3.prod.google.com ([2002:a05:600c:8b03:b0:45b:79d1:abcb]) (user=aliceryhl job=prod-delivery.src-stubby-dispatcher) by 2002:a05:600c:45c9:b0:45d:d50e:20c3 with SMTP id 5b1f17b1804b1-45dddec9282mr120206755e9.29.1757499553488; Wed, 10 Sep 2025 03:19:13 -0700 (PDT) Date: Wed, 10 Sep 2025 10:19:12 +0000 In-Reply-To: <20250905140534.3328297-1-lossin@kernel.org> Precedence: bulk X-Mailing-List: rust-for-linux@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250905140534.3328297-1-lossin@kernel.org> Message-ID: Subject: Re: [PATCH] rust: pin-init: add code blocks to `[try_][pin_]init!` macros From: Alice Ryhl To: Benno Lossin Cc: Miguel Ojeda , Alex Gaynor , Boqun Feng , Gary Guo , "=?utf-8?B?QmrDtnJu?= Roy Baron" , Andreas Hindborg , Trevor Gross , Danilo Krummrich , Fiona Behrens , Christian Schrefl , Alban Kurti , rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" On Fri, Sep 05, 2025 at 04:05:31PM +0200, Benno Lossin wrote: > Allow writing `_: { /* any number of statements */ }` in initializers to > run arbitrary code during initialization. > > try_init!(MyStruct { > _: { > if check_something() { > return Err(MyError); > } > }, > foo: Foo::new(val), > _: { > println!("successfully initialized `MyStruct`"); > }, > }) > > Link: https://github.com/Rust-for-Linux/pin-init/pull/84/commits/2880a9b898336e2d54f80715f00ce00f21f74d2f > Signed-off-by: Benno Lossin Reviewed-by: Alice Ryhl