board-class.md
In blockr.core: Graphical Web-Framework for Data Manipulation and Visualization

block constructor

Code
  print(board)
Output
  <board>

  Blocks[5]:

  d<merge_block<transform_block<block>>>
  Name: "Merge block"
  Data inputs: "x" and "y"
  Initial block state:
   $ by   : chr(0)
   $ all_x: logi FALSE
   $ all_y: logi FALSE
  Constructor: blockr.core::new_merge_block()

  a<dataset_block<data_block<block>>>
  Name: "Dataset block"
  No data inputs
  Initial block state:
   $ dataset: chr(0)
   $ package: chr "datasets"
  Constructor: blockr.core::new_dataset_block()

  c<subset_block<transform_block<block>>>
  Name: "Subset block"
  Data inputs: "data"
  Initial block state:
   $ subset: chr ""
   $ select: chr ""
  Constructor: blockr.core::new_subset_block()

  e<subset_block<transform_block<block>>>
  Name: "Subset block"
  Data inputs: "data"
  Initial block state:
   $ subset: chr ""
   $ select: chr ""
  Constructor: blockr.core::new_subset_block()

  b<dataset_block<data_block<block>>>
  Name: "Dataset block"
  No data inputs
  Initial block state:
   $ dataset: chr(0)
   $ package: chr "datasets"
  Constructor: blockr.core::new_dataset_block()

  Links[4]:

  ad: a -> d (x)
  cd: c -> d (y)
  bc: b -> c (data)
  de: d -> e (data)

  Stacks[1]:

  bc<stack[2]>
  Name: "Stack 1"
  Blocks: "b" and "c"

  Options:
   $ board_name : chr "Board"
   $ n_rows     : int 50
   $ page_size  : int 5
   $ filter_rows: logi FALSE
   $ dark_mode  : NULL

Code
  print(rm_blocks(board, "c"))
Output
  <board>

  Blocks[4]:

  d<merge_block<transform_block<block>>>
  Name: "Merge block"
  Data inputs: "x" and "y"
  Initial block state:
   $ by   : chr(0)
   $ all_x: logi FALSE
   $ all_y: logi FALSE
  Constructor: blockr.core::new_merge_block()

  a<dataset_block<data_block<block>>>
  Name: "Dataset block"
  No data inputs
  Initial block state:
   $ dataset: chr(0)
   $ package: chr "datasets"
  Constructor: blockr.core::new_dataset_block()

  e<subset_block<transform_block<block>>>
  Name: "Subset block"
  Data inputs: "data"
  Initial block state:
   $ subset: chr ""
   $ select: chr ""
  Constructor: blockr.core::new_subset_block()

  b<dataset_block<data_block<block>>>
  Name: "Dataset block"
  No data inputs
  Initial block state:
   $ dataset: chr(0)
   $ package: chr "datasets"
  Constructor: blockr.core::new_dataset_block()

  Links[2]:

  ad: a -> d (x)
  de: d -> e (data)

  Stacks[1]:

  bc<stack[1]>
  Name: "Stack 1"
  Blocks: "b"

  Options:
   $ board_name : chr "Board"
   $ n_rows     : int 50
   $ page_size  : int 5
   $ filter_rows: logi FALSE
   $ dark_mode  : NULL