Size :=20;
Price :=10;
2.特殊符号1)单个特殊符号# $ & " ( ) * + , - . / : ; < = > @ [ ] ^ { }2)成对的特殊符号(* (. *) .) .. // := <= >= <>3).等价的特殊符号特殊符号 | 等价的特殊符号 |
[ | (. |
] | .) |
{ | (* |
} | *) |
{ Text between a left brace and a right brace constitutes a comment. }2)编译器指令{$WARNINGS OFF} 说明:告诉编译器不要产生警告信息。
(* Text between a left-parenthesis-plus-asterisk and an asterisk-plus-right-parenthesis is also a comment *)
// Any text between a double-slash and the end of the line constitutes a comment.