Ada Programming/Keywords/is

< Ada Programming | Keywords

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The keyword is separates the name of an entity from its definition.

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In type declarations

type Day_Of_Month is new range 1 .. 31;

See Ada Programming/Types and Ada Programming/Subtypes.

In subtype declarations

subtype Day_Of_February is Day_Of_Month range 1 .. 29;

See Ada Programming/Subtypes.

In package declarations

package My_Package is
   ... -- declarations
end My_Package;

See Ada Programming/Packages.

In procedure and function declaration

procedure My_Procedure is
   ... -- declarations    
begin
   ... -- sentences    
end My_Procedure;

See Ada Programming/Subprograms.

In generic instantiations

package Day_Of_Month_IO is 
      new Ada.Text_IO.Integer_IO (Num => Day_Of_Month);

See Ada Programming/Generics.

See also

Wikibook

Ada Reference Manual

Ada Quality and Style Guide

3.1.3 Capitalization

Ada Keywords
`abort`	`else`	`new`	`return`
`abs`	`elsif`	`not`	`reverse`
`abstract` (Ada 95)	`end`	`null`
`accept`	`entry`		`select`
`access`	`exception`	`of`	`separate`
`aliased` (Ada 95)	`exit`	`or`	`some` (Ada 2012)
`all`		`others`	`subtype`
`and`	`for`	`out`	`synchronized` (Ada 2005)
`array`	`function`	`overriding` (Ada 2005)
`at`			`tagged` (Ada 95)
	`generic`	`package`	`task`
`begin`	`goto`	`parallel` (Ada 2022)	`terminate`
`body`		`pragma`	`then`
	`if`	`private`	`type`
`case`	`in`	`procedure`
`constant`	`interface` (Ada 2005)	`protected` (Ada 95)	`until` (Ada 95)
	`is`		`use`
`declare`		`raise`
`delay`	`limited`	`range`	`when`
`delta`	`loop`	`record`	`while`
`digits`		`rem`	`with`
`do`	`mod`	`renames`
		`requeue` (Ada 95)	`xor`

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