Class: Hash

Inherits:
Object show all
Includes:
Ruuuby::Attribute::Includable::Notation::SetMathematics
Defined in:
lib/ruuuby/class/enumerable/hsh.rb

Overview

Ruuuby modifications to existing Class<code>Hash</code>

Instance Method Summary collapse

Methods included from Ruuuby::Attribute::Includable::Notation::SetMathematics

included

Instance Method Details

#λ𝑓∀🔑：₍🔑∉₎(*keys) ⇒ Object

Parameters:

  • keys (*) 


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# File 'lib/ruuuby/class/enumerable/hsh.rb', line 23

def λ𝑓∀🔑：₍🔑∉₎(*keys); self.dup.λ𝑓∀🔑：₍🔑∉₎!(*keys); end

#λ𝑓∀🔑：₍🔑∉₎!(*keys) ⇒ Object

Parameters:

  • keys (*) 


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# File 'lib/ruuuby/class/enumerable/hsh.rb', line 26

def λ𝑓∀🔑：₍🔑∉₎!(*keys)
  🛑 ::ArgumentError.new("| c{Hash}-> m{λ𝑓∀🔑：₍🔑∉₎!} received no args or args of len-zero |") if keys.∅?
  🛑 ::RuntimeError.new("| c{Hash}-> m{λ𝑓∀🔑：₍🔑∉₎!} received valid args{#{keys.to_s}} but self is empty |") if self.∅?
  keys.∀{|key| self.delete(key)}
  self
end

#∀🔑∃_value?(keys_to_find, expected_value) ⇒ Boolean

TODO: MISSING TDD!

‘does each provided key exist w/ the the same provided value?`

Parameters:

  • keys_to_find (Array)
  • expected_value (*)

Returns:

  • (Boolean) 


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# File 'lib/ruuuby/class/enumerable/hsh.rb', line 41

def ∀🔑∃_value?(keys_to_find, expected_value)
  matched_keys = 0
  num_to_find   = keys_to_find.length
  keys_to_find.∀ do |key|
    if self.∃🔑?(key)
      if self[key] == expected_value
        if matched_keys + 1 == num_to_find
          return true
        else
          matched_keys += 1
        end
      end
    else
      return false
    end
  end
  if matched_keys == num_to_find
    true
  else
    🛑 ::RuntimeError.new("| {Hash}-> m{∀🔑∃_value?} called w/ keys_to_find as{#{keys_to_find.to_s}} and expected_value as {#{expected_value.to_s}} which did not match the result length of{#{matched_keys.to_s}} |")
  end
end

#∄🔑?(*keys) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ruuuby/class/enumerable/hsh.rb', line 20

def ∄🔑?(*keys); !self.key?(*keys); end