[摘要]逻辑或.. 列表范围? and : 条件操作符=, +=, -=, *=, 赋值and so on ,逗号操作符not Low-precedence logical NOTand Low-prece...
逻辑或 | | .. | 列表范围 |
| ? and : | 条件操作符 |
| =, +=, -=, *=, | 赋值 |
| and so on | |
| , | 逗号操作符 |
| not | Low-precedence logical NOT |
| and | Low-precedence logical AND |
| or, xor | Low-precedence logical OR and XOR |
.操作符结合性(associativity)：
Table 3.7. 操作符结合性
| 操作符 | 结合性 |
| ++, -- | 无 |
| -, ~, ! | Right-to-left |
| ** | Right-to-left |
| =~, !~ | Left-to-right |
| *, /, %, x | Left-to-right |
| +, -, . | Left-to-right |
| <<, >> | Left-to-right |
| -e, -r, | 无 |
| <, <=, >, >=, lt, le, gt, ge | Left-to-right |
| ==, !=, <=>, eq, ne, cmp | Left-to-right |
| & | Left-to-right |
|
关键词：Perl教学 第3篇 设置符之二