Function clippy_utils::peel_blocks

source · 
pub fn peel_blocks<'a>(expr: &'a Expr<'a>) -> &'a Expr<'a>
Expand description

Removes blocks around an expression, only if the block contains just one expression and no statements. Unsafe blocks are not removed.

Examples:

  • {} -> {}
  • { x } -> x
  • {{ x }} -> x
  • { x; } -> { x; }
  • { x; y } -> { x; y }
  • { unsafe { x } } -> unsafe { x }