LL | 0.homura();
| ^^^^^^ method not found in `{integer}`
-error: aborting due to previous error
+error[E0689]: can't call method `exp` on ambiguous numeric type `{float}`
+ --> $DIR/issue-29181.rs:8:30
+ |
+LL | let _ = |x: f64| x * 2.0.exp();
+ | ^^^
+ |
+help: you must specify a concrete type for this numeric value, like `f32`
+ |
+LL | let _ = |x: f64| x * 2.0_f32.exp();
+ | ^^^^^^^
+
+error: aborting due to 2 previous errors
-For more information about this error, try `rustc --explain E0599`.
+Some errors have detailed explanations: E0599, E0689.
+For more information about an error, try `rustc --explain E0599`.