Pop the latest expression and return the input(s) of the popped expression
Description
Pop the latest expression and return the input(s) of the popped expression
Usage
<Expr>$meta$pop(..., schema = NULL)
Arguments
…
|
These dots are for future extensions and must be empty. |
schema
|
An optional schema. Must be NULL or a named list of
DataType.
|
Value
A polars expression
Examples
library("polars")
e <- pl$col("foo") + pl$col("bar")
first <- e$meta$pop()[[1]]
first$meta$eq(pl$col("bar"))
#> [1] TRUE
#> [1] FALSE