Function mathml_core::helpers::frac

pub fn frac<N, D>(numerator: N, denominator: D) -> MathMLwhere
    N: Into<MathML>,
    D: Into<MathML>,

Build a normal fraction.

Input

\begin{vmatrix} a & b \\ c & d \end{vmatrix}

Output

$$\Vert \begin{array}{cc}a& b\\ c& d\end{array}\Vert$$