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15 Cards in this Set
- Front
- Back
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How to print a hello world?
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IO.puts "hello world"
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How to declare a literal linked list?
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square brackets. Ex: [1, 2, true]
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How to concatenate two lists?
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++/2 and --/2 operators
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how to retrieve the head and the tail?
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hd/1 and tl/1
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wha't happen when getting the head or tail of a empty list?
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An argument error!
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How to declare Tuples?
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Using curly braces: {:ok, "hello"}
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how to get the number of elements of a tuple?
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size
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How tuple elements are stored?
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like a sequence 0-based indexed
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How to set an element at a particular index?
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set_elem(tuple, index, elem)
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how to get a tuple size?
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tuple_size(tuple)
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what's the difference between Lists and Tuples?
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List are stored as a linked list, and Tuples as an array
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Which operator is used to concatenate lists?
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++
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Which operator to concatenate Strings?
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<>
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How operators ||, && and ! evaluate non boolean?
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all values except false and nil will evaluate to true
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What is the difference between == and === ?
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the latter is more restrict, doesn't convert data types.
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