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 A.4.10 String Comparison

Static Semantics

1/3
{AI05-0001-1} The library function Strings.Equal_Case_Insensitive has the following declaration:
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function Ada.Strings.Equal_Case_Insensitive (Left, Right : String)
   return Boolean;
pragma Pure(Equal_Case_Insensitive);
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Compares strings Left and Right, converted to lower case, for equality.
4/3
{AI05-0001-1} {AI05-0248-1} The library function Strings.Fixed.Equal_Case_Insensitive has the following declaration:
5/3
with Ada.Strings.Equal_Case_Insensitive;
function Ada.Strings.Fixed.Equal_Case_Insensitive
   (Left, Right : String) return Boolean
      renames Ada.Strings.Equal_Case_Insensitive;
pragma Pure(Equal_Case_Insensitive);
6/3
{AI05-0001-1} {AI05-0248-1} The generic library function Strings.Bounded.Equal_Case_Insensitive has the following declaration:
7/3
generic
   with package Bounded is
          new Ada.Strings.Bounded.Generic_Bounded_Length (<>);
function Ada.Strings.Bounded.Equal_Case_Insensitive
   (Left, Right : Bounded.Bounded_String) return Boolean;
pragma Preelaborate(Equal_Case_Insensitive);
8/3
Equivalent to Strings.Equal_Case_Insensitive (Bounded.To_String (Left), Bounded.To_String (Right)); 
9/3
{AI05-0001-1} {AI05-0248-1} The library function Strings.Unbounded.Equal_Case_Insensitive has the following declaration:
10/3
function Ada.Strings.Unbounded.Equal_Case_Insensitive
   (Left, Right : Unbounded_String) return Boolean;
pragma Preelaborate(Equal_Case_Insensitive);
11/3
Equivalent to Strings.Equal_Case_Insensitive (To_String (Left), To_String (Right));
12/3
 {AI05-0001-1} The library function Strings.Less_Case_Insensitive has the following declaration:
13/3
function Ada.Strings.Less_Case_Insensitive (Left, Right : String)
   return Boolean;
pragma Pure(Less_Case_Insensitive);
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Performs a lexicographic comparison of strings Left and Right, converted to lower case. 
15/3
 {AI05-0001-1} {AI05-0248-1} The library function Strings.Fixed.Less_Case_Insensitive has the following declaration:
16/3
with Ada.Strings.Less_Case_Insensitive;
function Ada.Strings.Fixed.Less_Case_Insensitive
   (Left, Right : String) return Boolean
      renames Ada.Strings.Less_Case_Insensitive;
pragma Pure(Less_Case_Insensitive);
17/3
 {AI05-0001-1} {AI05-0248-1} The generic library function Strings.Bounded.Less_Case_Insensitive has the following declaration:
18/3
generic
   with package Bounded is
          new Ada.Strings.Bounded.Generic_Bounded_Length (<>);
function Ada.Strings.Bounded.Less_Case_Insensitive
  (Left, Right : Bounded.Bounded_String) return Boolean;
pragma Preelaborate(Less_Case_Insensitive);
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Equivalent to Strings.Less_Case_Insensitive (Bounded.To_String (Left), Bounded.To_String (Right)); 
20/3
 {AI05-0001-1} {AI05-0248-1} The library function Strings.Unbounded.Less_Case_Insensitive has the following declaration:
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function Ada.Strings.Unbounded.Less_Case_Insensitive
  (Left, Right : Unbounded_String) return Boolean;
pragma Preelaborate(Less_Case_Insensitive);
22/3
Equivalent to Strings.Less_Case_Insensitive (To_String (Left), To_String (Right));

Extensions to Ada 2005

22.a/3
{AI05-0001-1} The Strings.Equal_Case_Insensitive, Strings.Fixed.Equal_Case_Insensitive, Strings.Bounded.Equal_Case_Insensitive, Strings.Unbounded.Equal_Case_Insensitive, Strings.Less_Case_Insensitive, Strings.Fixed.Less_Case_Insensitive, Strings.Bounded.Less_Case_Insensitive, Strings.Unbounded.Less_Case_Insensitive functions are new. 

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