struct

CSV::Row

A Row of a CSV::WithHeaders instance.

Instance methods

Returns the current row's value corresponding to the given header name. Raises KeyError if no such header exists. Raises CSV::Error if headers were not requested.

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[](column : Int) : String

Returns this row's value at the given column index. A negative index counts from the end. Raises IndexError if no such column exists.

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[](header_pattern : Regex, *, options : Regex::MatchOptions = Regex::MatchOptions::None) : String

Returns this row's value corresponding to the given header_pattern. Raises KeyError if no such header exists. Raises CSV::Error if headers were not requested.

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[]?(header : String) : String | Nil

Returns this row's value corresponding to the given header name. Returns nil if no such header exists. Raises CSV::Error if headers were not requested.

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[]?(column : Int) : String | Nil

Returns this row's value at the given column index. A negative index counts from the end. Returns nil if no such column exists.

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[]?(header_pattern : Regex, *, options : Regex::MatchOptions = Regex::MatchOptions::None) : String | Nil

Returns this row's value corresponding to the given header_pattern. Returns nil if no such header exists. Raises CSV::Error if headers were not requested.

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size

Returns the number of columns in this row, regardless of the number of headers (if requested).

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to_a

Converts this row to an Array.

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to_h

Converts this row to a Hash.

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values_at(*columns : Int)

Returns a tuple of this row's values at given indices A negative index counts from the end. Raises IndexError if any column doesn't exist The behavior of returning a tuple is similar to Hash#values_at

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values_at(*headers : String)

Returns a tuple of this row's values corresponding to the given headers Raises KeyError if any header doesn't exist. Raises CSV::Error if headers were not requested The behavior of returning a tuple is similar to Hash#values_at

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