そういえばfehlerの実装、#![feature(try_blocks)]を使っても良いのであれば fn foo() -> Result<(), #\Error> { try { #\orig_block } } で良いのか
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そういえばfehlerの実装、#![feature(try_blocks)]を使っても良いのであれば fn foo() -> Result<(), #\Error> { try { #\orig_block } } で良いのか