Operations

Functions for operating on grids

• add-rows: add more rows to a grid
• add-cols: add more columns to a grid
• drop-rows: drop (remove) rows from a grid
• drop-cols: drop (remove) columns from a grid
• map-vals: map a function over the values in a grid
• map-kv: map a function over the keys and values in a grid
• concat-lr: concatenate two (or more) grids of equal height left-to-right
• concat-tb: concatenate two (or more) grids of equal width top-to-bottom