Fn<> MagicHeader
Returns the magic header for a file format tag.

Defined in <seqan/basic.h>
Signature MagicHeader<TTag[, TDummy]>::VALUE;

Template Parameters

TTag The file format tag to use for the query.
TDummy Implementation detail, defaults to void and is ignored.

Return Values

VALUE The magic header string, of type char const *.

Detailed Description

The magic header is used for recognizing files from the first few bytes.

This metafunction must be implemented in the modules implementing the file I/O. The metafunction is predefined when TTag is Nothing. In this case, VALUE is NULL.