Object-oriented Software in Ada 95

382 Appendix C
-- function "&" (Left: String; Right: String) return String;
-- function "&" (Left: Character; Right: String) return String;
-- function "&" (Left: String; Right: Character) return String;
-- function "&" (Left: Character; Right: Character) return String;
type Wide_String is array(Positive range ) of Wide_Character;
pragma Pack(Wide_String);
--The predefined operators for this type correspond to those for String
type Duration is delta implementation-defined range implementation-defined;
--The predefined operators for the type Duration are the same as for
--any fixed point type.
--The predefined exceptions:
Constraint_Error: exception;
Program_Error : exception;
Storage_Error : exception;
Tasking_Error : exception;
end Standard;
C.5 The Package Ada.Text_Io
In the package Ada.Standard the following parameter arguments are used:
Parameter name
aft
base
exp
file
fore
form
item
last
mode
name
width
Purpose
The number of digits after the decimal place
The base of the number.
The number of characters in the exponent. For the
number 123.45678:
exp=>0 would give a format of => 123.45678
exp=>2 would give a format of => 1.2345678E+2
exp=>4 would give a format of => 1.2345678E+002
file_type:
The file descriptor which is read from or written to.
file_access:
The access value of the file_type.
The number of digits before the decimal place
Form of the created output file.
The item to be read / written.
The last character read from the string.
The mode of the operation read, write or append.
The name of the file as a String.
The number of characters to be read / written
© M A Smith - May not be reproduced without permission