Constant MIN_POSITIVE 

pub const MIN_POSITIVE: f64 = f64::MIN_POSITIVE /* 2.2250738585072014E-308f64 */;

👎Deprecated since 1.99.0:

replaced by the MIN_POSITIVE associated constant on f64

Smallest positive normal f64 value. Use f64::MIN_POSITIVE instead.

Examples

// deprecated way
let min = std::f64::MIN_POSITIVE;

// intended way
let min = f64::MIN_POSITIVE;