@shape(t:value)

returns 0 if is not an array, and else returns a tab of integers each corresponding to the size of one of the dimensions of t. Notice that the elements of an array are homogeneous, i.e. they have all exactly the same dimension and the same shape.

See also tab related functions: @car,    @cdr,    @clear,    @concat,    @cons,    @copy,    @count,    @dim,    @domain,    @drop,    @empty,    @explode,    @find,    @flatten,    @gnuplot,    @insert,    @iota,    @is_list,    @is_prefix,    @is_subsequence,    @is_suffix,    @lace,    @last,    @listify,    @map,    @max_val,    @median,    @member,    @normalize,    @occurs,    @permute,    @push_back,    @push_front,    @range,    @reduce,    @remove,    @remove_duplicate,    @replace,    @resize,    @reverse,    @rotate,    @scan,    @scramble,    @size,    @slice,    @sort,    @sputter,    @stutter,    @tab_history,    @tab_history_date,    @tab_history_rdate,    @take