C# Language Specification



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CSharp Language Specification

The null literal


null-literal:
null

The null-literal can be implicitly converted to a reference type or nullable type.


      1. Operators and punctuators


There are several kinds of operators and punctuators. Operators are used in expressions to describe operations involving one or more operands. For example, the expression a + b uses the + operator to add the two operands a and b. Punctuators are for grouping and separating.

operator-or-punctuator: one of
{ } [ ] ( ) . , : ;
+ - * / % & | ^ ! ~
= < > ? ?? :: ++ -- && ||
-> == != <= >= += -= *= /= %=
&= |= ^= << <<= =>


right-shift:
>|>


right-shift-assignment:
>|>=

The vertical bar in the right-shift and right-shift-assignment productions are used to indicate that, unlike other productions in the syntactic grammar, no characters of any kind (not even whitespace) are allowed between the tokens. These productions are treated specially in order to enable the correct handling of type-parameter-lists (§10.1.3).



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