%in_range%

[jennybc]

From planning session with @richfitz. Taken from photo of chalkboard.

Create an infix operator, perhaps %in_range%?, to determine if LHS is in RHS.

Possible LHS: cell reference as character ("A4"), multiple references as a character vector (c("A4", "D6")), a 2 x n matrix where column 1 is row and column 2 is col, a cell_limits object.

Possible RHS: cell range or area as character ("A1:D10"), a cell_limits object, or perhaps anything I can apply as.cell_limits() to.

Note: cellranger has new classes now, so the above needs to be rethought/refined.