let r_NC: f64 = 1.32;
let r_CO: f64 = 1.24;
let r_CCa: f64 = 1.53;
let r_CaN: f64 = 1.47;
let a_NCO: f64 = 125.0_f64.to_radians();
let a_NCC: f64 = 114.0_f64.to_radians();
let a_CaNC: f64 = 123.0_f64.to_radians();

How can I switch off the non_snake_case warning for that part of my code? Using #[allow(non_snake_case)] for every line looks quite silly...