Test `expect` with `forbid` and fix doc errors (RFC-2383)

[rust.git] / src / test / ui / did_you_mean / issue-49746-unicode-confusable-in-float-literal-expt.rs

const UNIVERSAL_GRAVITATIONAL_CONSTANT: f64 = 6.674e−11; // m³⋅kg⁻¹⋅s⁻²
//~^ ERROR expected at least one digit in exponent
//~| ERROR unknown start of token: \u{2212}
//~| ERROR cannot subtract `{integer}` from `{float}`

fn main() {}