struct CSV::Row

Overview

A Row of a CSV::WithHeaders instance.

Defined in:

csv/csv.cr

Instance Method Summary

Instance methods inherited from struct Struct

==(other : self) : Bool ==, hash : Int32 hash, inspect(io : IO) : Nil inspect, to_s(io) to_s

Instance methods inherited from struct Value

! !, ==(other) ==, nil? nil?

Instance methods inherited from class Object

! !, !=(other) !=, !~(other) !~, ==(other) ==, ===(other) ===, =~(other) =~, class class, clone clone, crystal_type_id crystal_type_id, dup dup, hash hash, inspect
inspect(io : IO)
inspect
, itself itself, not_nil! not_nil!, tap(&block) tap, to_json to_json, to_pretty_json(io : IO)
to_pretty_json
to_pretty_json
, to_s
to_s(io : IO)
to_s
, to_yaml(io : IO)
to_yaml
to_yaml
, try(&block) try

Class methods inherited from class Object

==(other : Class) ==, ===(other) ===, cast(other) : self cast, from_json(string_or_io) from_json, from_yaml(string : String) from_yaml, hash hash, inspect(io) inspect, name : String name, to_s(io) to_s

Instance Method Detail

def [](header_pattern : Regex) : 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.


[View source]
def [](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.


[View source]
def [](header : String) : String #

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.


[View source]
def []?(header_pattern : Regex) : 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.


[View source]
def []?(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.


[View source]
def []?(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.


[View source]
def size #

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


[View source]
def to_a : Array(String) #

Converts this row to an Array.


[View source]
def to_h : Hash(String, String) #

Converts this row to a Hash.


[View source]