error[E0689]: can't call method `neg` on ambiguous numeric type `{float}` --> $DIR/method-on-ambiguous-numeric-type.rs:10:17 | LL | let x = 2.0.neg(); | ^^^ | help: you must specify a concrete type for this numeric value, like `f32` | LL | let x = 2.0_f32.neg(); | ~~~~~~~ error[E0689]: can't call method `neg` on ambiguous numeric type `{float}` --> $DIR/method-on-ambiguous-numeric-type.rs:14:15 | LL | let x = y.neg(); | ^^^ | help: you must specify a type for this binding, like `f32` | LL | let y: f32 = 2.0; | +++++ error[E0689]: can't call method `pow` on ambiguous numeric type `{integer}` --> $DIR/method-on-ambiguous-numeric-type.rs:19:26 | LL | for i in 0..100 { | - you must specify a type for this binding, like `i32` LL | println!("{}", i.pow(2)); | ^^^ error[E0689]: can't call method `pow` on ambiguous numeric type `{integer}` --> $DIR/method-on-ambiguous-numeric-type.rs:24:15 | LL | local_bar.pow(2); | ^^^ | help: you must specify a type for this binding, like `i32` | LL | ($ident:ident) => { let $ident: i32 = 42; } | +++++ error[E0689]: can't call method `pow` on ambiguous numeric type `{integer}` --> $DIR/method-on-ambiguous-numeric-type.rs:30:9 | LL | bar.pow(2); | ^^^ | help: you must specify a type for this binding, like `i32` --> $DIR/auxiliary/macro-in-other-crate.rs:3:35 | LL | ($ident:ident) => { let $ident: i32 = 42; } | +++++ error: aborting due to 5 previous errors For more information about this error, try `rustc --explain E0689`.