Commits on Oct 26, 2021

1. Bypass negative literal workaround on 1.56+

   

   dtolnay committed Oct 26, 2021
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2. Locally ignore unnecessary_wraps pedantic clippy lint …

       error: this function's return value is unnecessarily wrapped by `Option`
           --> src/lit.rs:1542:5
            |
       1542 | /     pub fn to_literal(repr: &str, digits: &str, suffix: &str) -> Option<Literal> {
       1543 | |         #[cfg(syn_no_negative_literal_parse)]
       1544 | |         {
       1545 | |             if repr.starts_with('-') {
       ...    |
       1571 | |         Some(repr.parse::<Literal>().unwrap())
       1572 | |     }
            | |_____^
            |
            = note: `-D clippy::unnecessary-wraps` implied by `-D clippy::pedantic`
            = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_wraps
       help: remove `Option` from the return type...
            |
       1542 |     pub fn to_literal(repr: &str, digits: &str, suffix: &str) -> proc_macro2::Literal {
            |                                                                  ~~~~~~~~~~~~~~~~~~~~
       help: ...and then change returning expressions
            |
       1571 |         repr.parse::<Literal>().unwrap()
            |

   

   dtolnay committed Oct 26, 2021
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3. Link to rustc PR for negative literal parse

   

   dtolnay committed Oct 26, 2021
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4. Pull in proc-macro2 negative literal support

   

   dtolnay committed Oct 26, 2021
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5. Delete lit overflow test

   

   dtolnay committed Oct 26, 2021
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