Operators and Symbols

Question 1

!

ident!(…), ident!{…}, ident![…]

Answer 1

Macro expansion

Question 2

!

!expr

Answer 2

Bitwise or logical complement

Not overloadable

Question 3

!=

Example:

var != expr

Answer 3

Nonequality comparison

Overloadable: PartialEq

Question 4

%

Example:

expr % expr

Answer 4

Arithmetic remainder

Overloadable: Rem