Created
January 8, 2017 17:45
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Crystal type examples
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| # This is an array if Int32 | |
| a = [] of Int32 | |
| # or we can also do this | |
| a = Array(Int32) | |
| # or even | |
| a = [1,2,3] | |
| # this is a Hash | |
| a = {} of Symbol => Int32 | |
| # or | |
| a = Hash(Symbol, Int32) | |
| # or | |
| a = {:foo => 1, :bar => 2} | |
| # this is an array of mixed types | |
| a = Array(Int32|String) | |
| # add stuff to the array | |
| a << "foo" | |
| a << 1 | |
| print a | |
| # => ["foo", 1] |
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