Class: Polars::Struct

Inherits:
NestedType show all
Defined in:
lib/polars/data_types.rb

Overview

Struct composite type.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(fields) ⇒ Struct

Returns a new instance of Struct.



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# File 'lib/polars/data_types.rb', line 277

def initialize(fields)
  if fields.is_a?(Hash)
    @fields = fields.map { |n, d| Field.new(n, d) }
  else
    @fields = fields
  end
end

Instance Attribute Details

#fields ⇒ Object (readonly)

Returns the value of attribute fields.



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# File 'lib/polars/data_types.rb', line 275

def fields
  @fields
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/polars/data_types.rb', line 285

def ==(other)
  if other.eql?(Struct)
    true
  elsif other.is_a?(Struct)
    fields == other.fields
  else
    false
  end
end

#to_s ⇒ Object 



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# File 'lib/polars/data_types.rb', line 295

def to_s
  "#{self.class.name}([#{fields.map(&:to_s).join("\n")}])"
end

#to_schema ⇒ Object 



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# File 'lib/polars/data_types.rb', line 299

def to_schema
  @fields.to_h { |f| [f.name, f.dtype] }
end