CSV::Row#header_row?

row.header_row? → true or false

# File tmp/rubies/ruby-3.3.0/lib/csv/row.rb, line 140
def header_row?
  @header_row
end

Returns true if this is a header row, false otherwise.

See also #header? #headers #has_key? #include? also in 3.2 · 3.1 · 3.0