[Rust] pretty print for vec
[Rust] pretty print for vec

$./pretty_print
[1, 2, 3, 4, 5]
[
    1,
    2,
    3,
    4,
    5
]

sgkim126/snippets,sgkim126/snippets,sgkim126/snippets,sgkim126/snippets,sgkim126/snippets,sgkim126/snippets,sgkim126/snippets,sgkim126/snippets,sgkim126/snippets,sgkim126/snippets,sgkim126/snippets,sgkim126/snippets