error: expected expression, found `+` --> $DIR/expr-as-stmt.rs:7:9 | LL | {2} + {2} | --- ^ expected expression | | | help: parentheses are required to parse this as an expression: `({2})` error: expected expression, found `+` --> $DIR/expr-as-stmt.rs:12:9 | LL | {2} + 2 | --- ^ expected expression | | | help: parentheses are required to parse this as an expression: `({2})` error: expected expression, found `+` --> $DIR/expr-as-stmt.rs:18:12 | LL | { 42 } + foo; | ------ ^ expected expression | | | help: parentheses are required to parse this as an expression: `({ 42 })` error: expected expression, found `&&` --> $DIR/expr-as-stmt.rs:30:5 | LL | if let Some(x) = a { true } else { false } | ------------------------------------------ help: parentheses are required to parse this as an expression: `(if let Some(x) = a { true } else { false })` LL | && | ^^ expected expression error: expected expression, found `>` --> $DIR/expr-as-stmt.rs:37:7 | LL | } > 0 | ^ expected expression help: parentheses are required to parse this as an expression | LL | (match x { LL | _ => 1, LL | }) > 0 | error[E0308]: mismatched types --> $DIR/expr-as-stmt.rs:7:6 | LL | {2} + {2} | ^ expected (), found integer | = note: expected type `()` found type `{integer}` error[E0308]: mismatched types --> $DIR/expr-as-stmt.rs:12:6 | LL | {2} + 2 | ^ expected (), found integer | = note: expected type `()` found type `{integer}` error[E0308]: mismatched types --> $DIR/expr-as-stmt.rs:18:7 | LL | { 42 } + foo; | ^^ expected (), found integer | = note: expected type `()` found type `{integer}` error[E0308]: mismatched types --> $DIR/expr-as-stmt.rs:24:7 | LL | { 3 } * 3 | ^ expected (), found integer | = note: expected type `()` found type `{integer}` error[E0614]: type `{integer}` cannot be dereferenced --> $DIR/expr-as-stmt.rs:24:11 | LL | { 3 } * 3 | ----- ^^^ | | | help: parentheses are required to parse this as an expression: `({ 3 })` error: aborting due to 10 previous errors Some errors have detailed explanations: E0308, E0614. For more information about an error, try `rustc --explain E0308`.