Definition: | integer i = length(sequence s) |
Description: | Return the length of s. s must be a sequence or string. An error will occur if s is an atom. |
Comments: | The length of each sequence is stored internally by the interpreter. |
Example 1: |
length({{1,2}, {3,4}, {5,6}}) -- 3 |
Example 2: |
length("") -- 0 |
Example 3: |
length({}) -- 0 |
See Also: | sequence |