| 1 | ## our_shell: ysh | 
| 2 | |
| 3 | #### = to pretty print | 
| 4 | = 1 + 2 * 3 | 
| 5 | ## STDOUT: | 
| 6 | (Int) 7 | 
| 7 | ## END | 
| 8 | |
| 9 | #### 'call' to ignore return value | 
| 10 | call 1 + 2 * 3 | 
| 11 | |
| 12 | var strs = %(a b) | 
| 13 | call len(strs) | 
| 14 | call strs->append('c') | 
| 15 | write -- @strs | 
| 16 | |
| 17 | # integer types too | 
| 18 | const L = [5, 6] | 
| 19 | call L->append(7) | 
| 20 | write -- @L | 
| 21 | |
| 22 | write __ | 
| 23 | |
| 24 | call L->pop() | 
| 25 | write -- @L | 
| 26 | |
| 27 | ## STDOUT: | 
| 28 | a | 
| 29 | b | 
| 30 | c | 
| 31 | 5 | 
| 32 | 6 | 
| 33 | 7 | 
| 34 | __ | 
| 35 | 5 | 
| 36 | 6 | 
| 37 | ## END |