Method: Polars::Expr#implode

Defined in:

lib/polars/expr.rb

#implode ⇒ Expr

Aggregate to list.

Examples:

df = Polars::DataFrame.new(
  {
    "a" => [1, 2, 3],
    "b" => [4, 5, 6]
  }
)
df.select(Polars.all.implode)
# =>
# shape: (1, 2)
# ┌───────────┬───────────┐
# │ a         ┆ b         │
# │ ---       ┆ ---       │
# │ list[i64] ┆ list[i64] │
# ╞═══════════╪═══════════╡
# │ [1, 2, 3] ┆ [4, 5, 6] │
# └───────────┴───────────┘

Returns:

• (Expr)

# File 'lib/polars/expr.rb', line 6878

def implode
  _from_rbexpr(_rbexpr.implode)
end