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unused variable in rust codegen #507
Description
Despite my efforts, we still have this occasionally:
[OK ] line 2648: pcre regexp /\w+(.)(.)?def/s matched "abc\r\ndef"
[OK ] line 2652: pcre regexp /^\w+=.*(\\\n.*)*/ matched "abc=xyz\\\npqr"
[OK ] line 2656: pcre regexp /^(a()*)*/ matched "aaaa"
warning: unused variable: `c`
--> /tmp/fsmcompile_src-sQw3dT.rs:16:22
|
16 | let &c = bytes.next()?;
| ^ help: if this is intentional, prefix it with an underscore: `_c`
|
= note: `#[warn(unused_variables)]` on by default
warning: 1 warning emitted
build/test/retest/testinput6.tst: no errors
[OK ] line 2660: pcre regexp /^(?:a(?:(?:))*)*/ matched "aaaa"
[OK ] line 2664: pcre regexp /^(a()+)+/ matched "aaaa"
[OK ] line 2668: pcre regexp /^(?:a(?:(?:))+)+/ matched "aaaa"
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