wrap LaTeX command in environment

Question

How can I wrap a LaTeX command in an environment? In essence, how can I turn \\somecommand{contents} into \\begin{somecommand} contents \\end{somecommand}? I have tried the obvi

Answer 1

A Simpler way could be:

\newenvironment{somecommand}[0]{ \somecommand\bgroup } { \egroup }

Explanation: \bgroup works like { and \egroup works like }.