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error[E0381]: used binding `cfg_res` is possibly-uninitialized
--> $DIR/try-block-opt-init.rs:15:5
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LL | let cfg_res;
| ------- binding declared here but left uninitialized
...
LL | cfg_res = 5;
| ----------- binding initialized here in some conditions
...
LL | assert_eq!(cfg_res, 5);
| ^^^^^^^^^^^^^^^^^^^^^^ `cfg_res` used here but it is possibly-uninitialized
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= note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to previous error
For more information about this error, try `rustc --explain E0381`.
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