"which" method for CrunchLogicalExpr

# S4 method for CrunchLogicalExpr which(x, arr.ind = FALSE, useNames = TRUE)

x | CrunchLogicalExpr |
---|---|

arr.ind | Ignored |

useNames | Ignored |

Integer row indices where `x`

is true. Note that this does not
return a Crunch expression. Use this when you need to translate to R values.
For filtering a Crunch expression by `x`

, don't use `which`

.