6 use crate::expr::Expr;
93     pub(crate) fn of(e: &Expr) -> Self {  in of()
106             Expr::Closure(e) => match e.output {  in of()
112             Expr::Break(ExprBreak { expr, .. })  in of()
113             | Expr::Return(ExprReturn { expr, .. })  in of()
114             | Expr::Yield(ExprYield { expr, .. }) => match expr {  in of()
119             Expr::Assign(_) => Precedence::Assign,  in of()
120             Expr::Range(_) => Precedence::Range,  in of()
121             Expr::Binary(e) => Precedence::of_binop(&e.op),  in of()
122             Expr::Let(_) => Precedence::Let,  in of()
123             Expr::Cast(_) => Precedence::Cast,  in of()
124             Expr::RawAddr(_) | Expr::Reference(_) | Expr::Unary(_) => Precedence::Prefix,  in of()
127             Expr::Array(ExprArray { attrs, .. })  in of()
128             | Expr::Async(ExprAsync { attrs, .. })  in of()
129             | Expr::Await(ExprAwait { attrs, .. })  in of()
130             | Expr::Block(ExprBlock { attrs, .. })  in of()
131             | Expr::Call(ExprCall { attrs, .. })  in of()
132             | Expr::Const(ExprConst { attrs, .. })  in of()
133             | Expr::Continue(ExprContinue { attrs, .. })  in of()
134             | Expr::Field(ExprField { attrs, .. })  in of()
135             | Expr::ForLoop(ExprForLoop { attrs, .. })  in of()
136             | Expr::Group(ExprGroup { attrs, .. })  in of()
137             | Expr::If(ExprIf { attrs, .. })  in of()
138             | Expr::Index(ExprIndex { attrs, .. })  in of()
139             | Expr::Infer(ExprInfer { attrs, .. })  in of()
140             | Expr::Lit(ExprLit { attrs, .. })  in of()
141             | Expr::Loop(ExprLoop { attrs, .. })  in of()
142             | Expr::Macro(ExprMacro { attrs, .. })  in of()
143             | Expr::Match(ExprMatch { attrs, .. })  in of()
144             | Expr::MethodCall(ExprMethodCall { attrs, .. })  in of()
145             | Expr::Paren(ExprParen { attrs, .. })  in of()
146             | Expr::Path(ExprPath { attrs, .. })  in of()
147             | Expr::Repeat(ExprRepeat { attrs, .. })  in of()
148             | Expr::Struct(ExprStruct { attrs, .. })  in of()
149             | Expr::Try(ExprTry { attrs, .. })  in of()
150             | Expr::TryBlock(ExprTryBlock { attrs, .. })  in of()
151             | Expr::Tuple(ExprTuple { attrs, .. })  in of()
152             | Expr::Unsafe(ExprUnsafe { attrs, .. })  in of()
153             | Expr::While(ExprWhile { attrs, .. }) => prefix_attrs(attrs),  in of()
156             Expr::Array(_)  in of()
157             | Expr::Async(_)  in of()
158             | Expr::Await(_)  in of()
159             | Expr::Block(_)  in of()
160             | Expr::Call(_)  in of()
161             | Expr::Const(_)  in of()
162             | Expr::Continue(_)  in of()
163             | Expr::Field(_)  in of()
164             | Expr::ForLoop(_)  in of()
165             | Expr::Group(_)  in of()
166             | Expr::If(_)  in of()
167             | Expr::Index(_)  in of()
168             | Expr::Infer(_)  in of()
169             | Expr::Lit(_)  in of()
170             | Expr::Loop(_)  in of()
171             | Expr::Macro(_)  in of()
172             | Expr::Match(_)  in of()
173             | Expr::MethodCall(_)  in of()
174             | Expr::Paren(_)  in of()
175             | Expr::Path(_)  in of()
176             | Expr::Repeat(_)  in of()
177             | Expr::Struct(_)  in of()
178             | Expr::Try(_)  in of()
179             | Expr::TryBlock(_)  in of()
180             | Expr::Tuple(_)  in of()
181             | Expr::Unsafe(_)  in of()
182             | Expr::While(_) => Precedence::Unambiguous,  in of()
184             Expr::Verbatim(_) => Precedence::Unambiguous,  in of()
187             Expr::Break(_) | Expr::Closure(_) | Expr::Return(_) | Expr::Yield(_) => unreachable!(),  in of()