Function vecmath::vec2_len
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pub fn vec2_len<T>(a: Vector2<T>) -> T where T: Copy + Sqrt + Add<T, Output=T> + Mul<T, Output=T>Computes the length of vector.
pub fn vec2_len<T>(a: Vector2<T>) -> T where T: Copy + Sqrt + Add<T, Output=T> + Mul<T, Output=T>Computes the length of vector.