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Contents
module Polars
# Series.struct namespace.
class StructNameSpace
include ExprDispatch
self._accessor = "struct"
# @private
def initialize(series)
self._s = series._s
end
# Retrieve one of the fields of this `Struct` as a new Series.
#
# @return [Series]
def [](item)
if item.is_a?(Integer)
field(fields[item])
elsif item.is_a?(String)
field(item)
else
raise ArgumentError, "expected type Integer or String, got #{item.class.name}"
end
end
# Convert this Struct Series to a DataFrame.
#
# @return [DataFrame]
def to_frame
Utils.wrap_df(_s.struct_to_frame)
end
# Get the names of the fields.
#
# @return [Array]
def fields
if _s.nil?
[]
else
_s.struct_fields
end
end
# Retrieve one of the fields of this `Struct` as a new Series.
#
# @param name [String]
# Name of the field
#
# @return [Series]
def field(name)
super
end
# Rename the fields of the struct.
#
# @param names [Array]
# New names in the order of the struct's fields
#
# @return [Series]
def rename_fields(names)
super
end
end
end
Version data entries
47 entries across 47 versions & 1 rubygems