Fn<> MagicHeaderReturns the magic header for a file format tag.
Returns the magic header for a file format tag.
Defined in | <seqan/basic.h> |
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Signature |
MagicHeader<TTag[, TDummy]>::VALUE;
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Template Parameters
TTag |
The file format tag to use for the query. |
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TDummy |
Implementation detail, defaults to void and is ignored. |
Return Values
VALUE |
The magic header string, of type char const *. |
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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.