class Rinda::Tuple
A tuple is the elementary object in Rinda
programming. Tuples may be matched against templates if the tuple and the template are the same size.
Public Class Methods
new(ary_or_hash)
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Creates a new Tuple
from ary_or_hash
which must be an Array or Hash.
# File rinda/rinda.rb, line 51 def initialize(ary_or_hash) if hash?(ary_or_hash) init_with_hash(ary_or_hash) else init_with_ary(ary_or_hash) end end
Public Instance Methods
[](k)
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Accessor method for elements of the tuple.
# File rinda/rinda.rb, line 69 def [](k) @tuple[k] end
each() { |k, v| ... }
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Iterate through the tuple, yielding the index or key, and the value, thus ensuring arrays are iterated similarly to hashes.
# File rinda/rinda.rb, line 84 def each # FIXME if Hash === @tuple @tuple.each { |k, v| yield(k, v) } else @tuple.each_with_index { |v, k| yield(k, v) } end end
fetch(k)
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Fetches item k
from the tuple.
# File rinda/rinda.rb, line 76 def fetch(k) @tuple.fetch(k) end
size()
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The number of elements in the tuple.
# File rinda/rinda.rb, line 62 def size @tuple.size end
value()
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Return the tuple itself
# File rinda/rinda.rb, line 94 def value @tuple end