2.7 Comments
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A comment starts with two adjacent hyphens and extends up to the end of the line.
Syntax
comment ::= --{non_end_of_line_character}
A comment may appear on any line of a program.
Static Semantics
The presence or absence of comments has no influence on whether a program is legal or illegal. Furthermore, comments do not influence the meaning of a program; their sole purpose is the enlightenment of the human reader.
Examples
Examples of comments:
-- the last sentence above echoes the Algol 68 report
end; -- processing of Line is complete
-- a long comment may be split onto
-- two or more consecutive lines
----------- the first two hyphens start the comment
Copyright © 1992,1993,1994,1995 Intermetrics, Inc.
Copyright © 2000 The MITRE Corporation, Inc.
Ada Reference Manual