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Description:
This function exempts an
Object pointer from AST context handling, as implemented by
astBegin and
astEnd. This means that the pointer will not be affected when astEnd is
invoked and will remain active until the end of the program, or until explicitly
annulled using
astAnnul.
If possible, you should avoid using this function when writing applications. It
is provided mainly for developers of other libraries, who may wish to retain
references to AST Objects in internal data structures, and who therefore need to
avoid the effects of astBegin and astEnd.
Synopsis
void astExempt( AstObject
this )
Parameters:
this
Object pointer to be exempted from context handling.
Applicability
Object
This function applies to all Objects.
Copyright (C) 2021 East Asian Observatory
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A Library for Handling
World
Coordinate Systems
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