Function peel_blocks_with_stmt 

pub fn peel_blocks_with_stmt<'a>(expr: &'a Expr<'a>) -> &'a Expr<'a>

Removes blocks around an expression, only if the block contains just one expression or just one expression statement with a semicolon. Unsafe blocks are not removed.

Examples:

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