Ada Programming/Libraries/Ada.Environment Variables
< Ada Programming | Libraries
This language feature is only available from Ada 2005 on.
Ada.Environment_Variables is a unit of the Predefined Language Environment since Ada 2005.
Specification edit
-- Standard Ada library specification -- Copyright (c) 2003-2018 Maxim Reznik <reznikmm@gmail.com> -- Copyright (c) 2004-2016 AXE Consultants -- Copyright (c) 2004, 2005, 2006 Ada-Europe -- Copyright (c) 2000 The MITRE Corporation, Inc. -- Copyright (c) 1992, 1993, 1994, 1995 Intermetrics, Inc. -- SPDX-License-Identifier: BSD-3-Clause and LicenseRef-AdaReferenceManual -- -------------------------------------------------------------------------package
Ada.Environment_Variablesis
pragma
Preelaborate (Environment_Variables);function
Value (Name :in
String)return
String;function
Exists (Name :in
String)return
Boolean;procedure
Set (Name :in
String; Value :in
String);procedure
Clear (Name :in
String);procedure
Clear;procedure
Iterate (Process :not
null
access
procedure
(Name :in
String; Value :in
String));end
Ada.Environment_Variables;
See also edit
Wikibook edit
External examples edit
- Search for examples of
Ada.Environment_Variables
in: Rosetta Code, GitHub (gists), any Alire crate or this Wikibook. - Search for posts related to
Ada.Environment_Variables
in: Stack Overflow, comp.lang.ada or any Ada related page.
Tutorials edit
Ada Reference Manual edit
Ada 2005 edit
Ada 2012 edit
Open-Source Implementations edit
FSF GNAT
- Specification: a-envvar.ads
- Body: a-envvar.adb
drake
- Specification: environment/a-envvar.ads
- Body: environment/a-envvar.adb