Single character delimiters

& 

ampersand (also operator &)

' 

apostrophe, tick

( 

left parenthesis

) 

right parenthesis

* 

asterisk, multiply (also operator *)

+ 

plus sign (also operator +)

, 

comma

- 

hyphen, minus (also operator -)

. 

full stop, point, dot

/ 

solidus, divide (also operator /)

: 

colon

; 

semicolon

< 

less than sign (also operator)

= 

equal sign (also operator =)

> 

greater than sign (also operator)

| 

vertical line

Compound character delimiters

=> 

arrow

.. 

double dot

** 

double star, exponentiate (also operator **)

:= 

assignment

/= 

inequality (also operator)

>= 

greater than or equal to (also operator)

<= 

less than or equal to (also operator)

<< 

left label bracket

>> 

right label bracket

<> 

box

Others

The following ones are special characters but not delimiters.

" 

quotation mark, used for string literals.

# 

number sign, used in based numeric literals.

The following special characters are unused in Ada code - they are illegal except within string literals and comments (they are used in the Reference Manual Backus-Naur syntax definition of Ada):

[ 

left square bracket

] 

right square bracket

{ 

left curly bracket

} 

right curly bracket

See also