Class: Array

Inherits:
Object show all
Defined in:
lib/hash-utils/array.rb

Overview

Array extension.

Instance Method Summary collapse

Instance Method Details

#array? ⇒ Boolean 



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# File 'lib/hash-utils/array.rb', line 263

def array?
    true
end

#avg ⇒ Object Also known as: average 



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# File 'lib/hash-utils/array.rb', line 246

def avg
    self.sum.to_f / self.length
end

#clean(value = nil) ⇒ Object 



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# File 'lib/hash-utils/array.rb', line 278

def clean(value = nil)
    self.reject { |v| v === value }
end

#clean!(value = nil) ⇒ Object 



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# File 'lib/hash-utils/array.rb', line 293

def clean!(value = nil)
    self.reject! { |v| v === value }
end

#eighth ⇒ Object 



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# File 'lib/hash-utils/array.rb', line 194

def eighth
    self[7]
end

#fifth ⇒ Object 



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# File 'lib/hash-utils/array.rb', line 155

def fifth
    self[4]
end

#fourth ⇒ Object 



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# File 'lib/hash-utils/array.rb', line 142

def fourth
    self[3]
end

#merge!(*arrays) ⇒ Object 



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# File 'lib/hash-utils/array.rb', line 101

def merge!(*arrays)
    arrays.flatten! 1
    arrays.each { |i| self << i }
    self
end

#remove!(&block) ⇒ Object 



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# File 'lib/hash-utils/array.rb', line 25

def remove!(&block)
    result = [ ]
    self.reject! do |v|
        if block.call(v)
            result << v
            true
        else
            false
        end
    end
    
    return result
end

#second ⇒ Object 



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# File 'lib/hash-utils/array.rb', line 116

def second
    self[1]
end

#seventh ⇒ Object 



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# File 'lib/hash-utils/array.rb', line 181

def seventh
    self[6]
end

#sixth ⇒ Object 



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# File 'lib/hash-utils/array.rb', line 168

def sixth
    self[5]
end

#sum ⇒ Object 



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# File 'lib/hash-utils/array.rb', line 215

def sum
    self.inject(:+)
end

#third ⇒ Object 



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# File 'lib/hash-utils/array.rb', line 129

def third
    self[2]
end

#to_h(mode = nil) ⇒ Object 



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# File 'lib/hash-utils/array.rb', line 75

def to_h(mode = nil)
    if mode == :flat
        Hash[*self]
    else
        Hash[self]
    end
end

#to_set ⇒ Object 



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# File 'lib/hash-utils/array.rb', line 306

def to_set
    Set::new(self)
end