combine.md
In cheapr: Simple Functions to Save Time and Memory

combining

Code
  dput(result)
Output
  list(A = NULL, a = c(FALSE, TRUE, NA), b = c(0L, 1L, NA, 3L), 
      c = c(0, 1, NA, 3, 7.5), d = c(0+0i, 1+0i, complex(real=NA, imaginary=0), 
      3+0i, 7.5+0i, 1.5+3.6i), e = structure(c(0, 1, NA, 3, 7.5, 
      1.5, 0), class = "Date"), f = structure(c(0, 1, NA, 3, 648000, 
      1.5, 0, 0), class = c("POSIXct", "POSIXt"), tzone = ""), 
      g = structure(c(0, 1, NA, 3, 648000, 1.5, 0, 0, 0), class = c("POSIXct", 
      "POSIXt"), tzone = ""), h = c("FALSE", "TRUE", NA, "3", "1970-01-08", 
      "1.5+3.6i", "1970-01-01", "1970-01-01", "1969-12-31 19:00:00", 
      "e", NA), i = structure(c(1L, 2L, 3L, 4L, 5L, 6L, 7L, 7L, 
      8L, 9L, 3L, 10L, 12L, 3L), levels = c("FALSE", "TRUE", NA, 
      "3", "1970-01-08", "1.5+3.6i", "1970-01-01", "1969-12-31 19:00:00", 
      "e", "h", "H", "f"), class = "factor"), j = structure(c(1L, 
      2L, 3L, 4L, 5L, 6L, 7L, 7L, 8L, 9L, 3L, 10L, 12L, 3L, 12L, 
      14L), levels = c("FALSE", "TRUE", NA, "3", "1970-01-08", 
      "1.5+3.6i", "1970-01-01", "1969-12-31 19:00:00", "e", "h", 
      "H", "f", "G", "g"), class = "factor"), k = list(FALSE, TRUE, 
          NA, 3L, structure(7.5, class = "Date"), 1.5+3.6i, structure(0, class = "Date"), 
          structure(0, class = c("POSIXct", "POSIXt"), tzone = "UTC"), 
          structure(0, class = c("POSIXct", "POSIXt"), tzone = "America/New_York"), 
          "e", NA_character_, structure(1L, levels = c("h", "H", 
          "f"), class = "factor"), structure(3L, levels = c("h", 
          "H", "f"), class = "factor"), structure(NA_integer_, levels = c("h", 
          "H", "f"), class = "factor"), structure(1L, levels = c("f", 
          "G", "g"), class = "factor"), structure(3L, levels = c("f", 
          "G", "g"), class = "factor"), 10), l = structure(list(
          value = structure(c(1L, 2L, 3L, 4L, 5L, 6L, 7L, 7L, 8L, 
          9L, 3L, 10L, 12L, 3L, 12L, 14L, NA, NA), levels = c("FALSE", 
          "TRUE", NA, "3", "1970-01-08", "1.5+3.6i", "1970-01-01", 
          "1969-12-31 19:00:00", "e", "h", "H", "f", "G", "g"), class = "factor"), 
          col_1 = c(NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, 
          NA, NA, NA, NA, NA, 10, NA), y = c(NA, NA, NA, NA, NA, 
          NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, "ok")), row.names = c(NA, 
      -18L), class = "data.frame"))