Commits on Sep 25, 2022

1. new uninlined_format_args lint to inline explicit arguments …

   Implement rust-lang#8368 - a new
   lint to inline format arguments such as `print!("{}", var)` into
   `print!("{var}")`.
   
   code | suggestion | comment
   ---|---|---
   `print!("{}", var)` | `print!("{var}")` |  simple variables
   `print!("{0}", var)` | `print!("{var}")` |  positional variables
   `print!("{v}", v=var)` | `print!("{var}")` |  named variables
   `print!("{0} {0}", var)` | `print!("{var} {var}")` |  aliased variables
   `print!("{0:1$}", var, width)` | `print!("{var:width$}")` |  width
   support
   `print!("{0:.1$}", var, prec)` | `print!("{var:.prec$}")` |  precision
   support
   `print!("{:.*}", prec, var)` | `print!("{var:.prec$}")` |  asterisk
   support
   
   code | suggestion | comment
   ---|---|---
   `print!("{0}={1}", var, 1+2)` | `print!("{var}={0}", 1+2)` | Format
   string uses an indexed argument that cannot be inlined.  Supporting this
   case requires re-indexing of the format string.
   
   changelog: [`uninlined_format_args`]: A new lint to inline format
   arguments, i.e. `print!("{}", var)` into `print!("{var}")`

   

   nyurik committed Sep 25, 2022
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