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Lists

Lists store ordered collections of values and are manipulated by dedicated list Reporter and Stack blocks.

List mutation blocks​

Add value to list​

block_lists_add.svg

Appends a value to the end of selected list.

Insert at​

block_lists_insert_at.svg

Inserts a value at selected index in the list.

Replace at​

block_lists_replace_at.svg

Replaces item at selected index with new value.

Delete​

block_lists_delete.svg

Deletes item at selected index (or selected delete mode).

Clear all​

block_lists_clear_all.svg

Removes all items from selected list.

List value/check blocks​

Item at​

block_lists_item_at.svg

Returns value at selected index.

Index of value​

block_lists_index_of_value.svg

Returns index of the first matching value in list.

Contains value​

block_lists_contains_value.svg

Returns whether list contains a specified value.

Size of list​

block_lists_size_of_value.svg

Returns number of items in selected list.

List value reporter​

list.svg

Returns the current value of the selected list.

  • Type: reporter block
  • Output format example: [item1,item2,item3]
  • Typical use: inspect current list content or pass the list value into compatible blocks