# Constant std::f64::MANTISSA_DIGITS
1.0.0[−][src]

    pub const MANTISSA_DIGITS: u32 = f64::MANTISSA_DIGITS; // 0x0000_0035u32

👎 Deprecating in a future Rust version:

replaced by the `MANTISSA_DIGITS` associated constant on `f64`

Expand description

Number of significant digits in base 2. Use `f64::MANTISSA_DIGITS` instead.

## Examples

    // deprecated way
    let d = std::f64::MANTISSA_DIGITS;

    // intended way
    let d = f64::MANTISSA_DIGITS;

Run