SeqAn3 3.4.0-rc.1
The Modern C++ library for sequence analysis.
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seqan3::fields< fs > Struct Template Reference

A class template that holds a choice of seqan3::field. More...

#include <seqan3/io/record.hpp>

Detailed Description

template<field... fs>
struct seqan3::fields< fs >

A class template that holds a choice of seqan3::field.

Template Parameters
fsThe fields you wish to be present in the seqan3::record returned by your file.
See also

This class acts as a compile time list of seqan3::field elements. It is used in specialising file classes to determine the elements in a seqan3::record.


// SPDX-FileCopyrightText: 2006-2024 Knut Reinert & Freie Universität Berlin
// SPDX-FileCopyrightText: 2016-2024 Knut Reinert & MPI für molekulare Genetik
// SPDX-License-Identifier: CC0-1.0
#include <sstream>
auto input = R"(> TEST1
> Test2
> Test3
int main()
// specify custom field combination/order to file:
auto record = fin.front(); // get current record, in this case the first
auto & id =;
seqan3::debug_stream << id << '\n'; // TEST1
auto & seq = record.sequence();
seqan3::debug_stream << seq << '\n'; // ACGT
The FASTA format.
Definition format_fasta.hpp:77
A class for reading sequence files, e.g. FASTA, FASTQ ...
Definition sequence_file/input.hpp:207
Provides seqan3::debug_stream and related types.
debug_stream_type debug_stream
A global instance of seqan3::debug_stream_type.
Definition debug_stream.hpp:37
@ seq
The "sequence", usually a range of nucleotides or amino acids.
Provides seqan3::sequence_file_output and corresponding traits classes.
Provides the seqan3::record template and the seqan3::field enum.
Provides seqan3::sequence_file_input and corresponding traits classes.
A class template that holds a choice of seqan3::field.
Definition record.hpp:125

The documentation for this struct was generated from the following file:
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