Module Statement.Try

module CatchClause: { ... };
type t('M, 'T) = {
  1. block: ('M, Block.t('M, 'T)),
  2. handler: option(CatchClause.t('M, 'T)),
  3. finalizer: option(('M, Block.t('M, 'T))),
  4. comments: option(Syntax.t('M, unit)),
};