\copyrightVincent

\begin{saveblock}{leftRight}
	\begin{highlightblock}[gobble=8,linewidth=\textwidth,framexleftmargin=0.25em]
		\begin{align*}
			\left.\left[x^2\right]\right~~|_{x=0}^{x=2} = 4,\quad
			\abs{x} = \left\{\begin{array}{ll}
				x & \mbox{if $ x \geq 0$}\\
				-x & \mbox{if $ x < 0$}
			\end{array}\right.
		\end{align*}
	\end{highlightblock}
\end{saveblock}

\begin{saveblock}{leftRight}
	\begin{highlightblock}[gobble=8,linewidth=\textwidth,framexleftmargin=0.25em]
		\begin{align*}
			\left.\left[x^2\right]\right~~|_{x=0}^{x=2} = 4
		\end{align*}
	\end{highlightblock}
\end{saveblock}

\begin{frame}{Delimiter point}
	\useblock{leftRight}

	\begin{align*}
		\left.\left[x^2\right]\right|_{x=0}^{x=2} = 4,
		% \quad
		% \abs{x} = \left\{\begin{array}{ll}
		% 	x & \mbox{if $ x \geq 0$}\\
		% 	-x & \mbox{if $ x < 0$}
		% \end{array}\right.
	\end{align*}
\end{frame}