Interface ChainedThen

interface ChainedThen {
    otherwise(expr: pl.Expr): pl.Expr;
    then(expr: pl.Expr): ChainedThen;
    when(predicate: pl.Expr): ChainedWhen;
}

Index

Methods

otherwise then when

Methods

otherwise

otherwise(expr: pl.Expr): pl.Expr
Values to return in case of the predicate being false.
Parameters
- expr: pl.Expr
Returns pl.Expr
- Defined in polars/lazy/whenthen.ts:27

then

then(expr: pl.Expr): ChainedThen
Values to return in case of the predicate being true.
Parameters
- expr: pl.Expr
Returns ChainedThen
- Defined in polars/lazy/whenthen.ts:25

when

when(predicate: pl.Expr): ChainedWhen
Start another when, then, otherwise layer.
Parameters
- predicate: pl.Expr
Returns ChainedWhen
- Defined in polars/lazy/whenthen.ts:23