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walk_expr_mut

Function walk_expr_mut 

Source
pub fn walk_expr_mut<'a, F>(
    expr: &'a mut Expr,
    func: &mut F,
) -> Result<WalkControl>
where F: FnMut(&mut Expr) -> Result<WalkControl>,
Expand description

Walks a mutable expression, applying a function to each sub-expression.