Append expressions

Description

Append expressions

Usage

<Expr>$append(other, ..., upcast = TRUE)

Arguments

other	Expression to append.
…	These dots are for future extensions and must be empty.
upcast	If TRUE (default), cast both Series to the same supertype.

Value

A polars expression

Examples

library("polars")

df <- pl$DataFrame(a = 8:10, b = c(NA, 4, 4))
df$select(pl$all()$head(1)$append(pl$all()$tail(1)))

#> shape: (2, 2)
#> ┌─────┬──────┐
#> │ a   ┆ b    │
#> │ --- ┆ ---  │
#> │ i32 ┆ f64  │
#> ╞═════╪══════╡
#> │ 8   ┆ null │
#> │ 10  ┆ 4.0  │
#> └─────┴──────┘