Function f64x2_extract_lane

pub fn f64x2_extract_lane<const N: usize>(a: v128) -> f64

Available on target_family="wasm" and target feature simd128 and WebAssembly only.

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.