Module: Enumerable
- Defined in:
- lib/mug/bool.rb,
lib/mug/to_h.rb
Instance Method Summary collapse
-
#to_b ⇒ Object
Returns true if there are any elements.
-
#to_h ⇒ Object
Converts
enum
to a Hash.
Instance Method Details
#to_b ⇒ Object
Returns true if there are any elements.
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# File 'lib/mug/bool.rb', line 86 def to_b any?{ true } end |
#to_h ⇒ Object
Converts enum
to a Hash.
Each element of enum
must be a single item, or an array of two items. Duplicate keys are overwritten in order.
[].to_h #=> {}
[1,2].to_h #=> {1=>nil, 2=>nil}
(1..2).to_h #=> {1=>nil, 2=>nil}
[[1,2],[3,4]].to_h #=> {1=>2, 3=>4}
[[1,2],[1,4]].to_h #=> {1=>4}
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# File 'lib/mug/to_h.rb', line 23 def to_h hsh = {} each do |k,v,*x| raise ArgumentError, "invalid number of elements (#{x.length+2} for 1..2)" if x.any? hsh[k] = v end hsh end |