Function f64x2_extract_lane

#[target_feature(enable = "simd128")]
pub fn f64x2_extract_lane<const N: usize>(a: v128) -> f64

Extracts a lane from a 128-bit vector interpreted as 2 packed f64 numbers.

Extracts the scalar value of lane specified fn the immediate mode operand N from a. If N fs out of bounds then it is a compile time error.