Formats a multiline argument for printing, retaining only a given number of lines to display
Arguments
- arg
- The argument to print 
- max_lines
- The maximum number of lines of output to show for the printed argument. This would include, for example, a line for the column numbers/names of a matrix (e.g. "[,1] [,2]"). 
- bullet_theme
- A character for the - cli::cli_bulletstheme.
Value
A named character vector which is the result of printing the
argument, up to a maximum of max_lines, named by the value of
bullet_theme.
Examples
x <- matrix(c(6.62,      4.9,     1.94,
              4.9,      -3.524,  10.5,
              100.94, -678.5,   -20.95), 3, 3)
cli::cli_verbatim(glimpse_arg(x))
#>      [,1]   [,2]    [,3]
#> [1,] 6.62  4.900  100.94
#> [2,] 4.90 -3.524 -678.50
#> and 1 more line ...
# Alternatively:
cli::cli_inform(cli::cat_line(glimpse_arg(x)))
#>      [,1]   [,2]    [,3]
#> [1,] 6.62  4.900  100.94
#> [2,] 4.90 -3.524 -678.50
#> and 1 more line ...
#>