field( header )
field( header, offset )
field( index )
field( header, offset )
field( index )
Instance Public methods
This method will return the field value by header
or
index
. If a field is not found, nil
is returned.
When provided, offset
ensures that a header match occurrs on
or later than the offset
index. You can use this to find
duplicate headers, without resorting to hard-coding exact indices.
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