| @@ -1,26 +1,8 @@ | ||
| 1 | -# [] can be used, first match returned | |
| 2 | -1 = [a: 1, b: 2, a: 3][:a] | |
| 1 | +# module_name.ex | |
| 2 | +defmodule ModuleName do | |
| 3 | + def hello do | |
| 4 | + IO.puts "Hello World" | |
| 5 | + end | |
| 6 | +end | |
| 3 | 7 | |
| 4 | -# [] missing value is nil | |
| 5 | -nil = [a: 1, b: 2, a: 3][:c] | |
| 6 | - | |
| 7 | -# Keyword get also works | |
| 8 | -1 = Keyword.get([a: 1, b: 2, a: 3], :a) | |
| 9 | - | |
| 10 | -# missing value is nil | |
| 11 | -nil = Keyword.get([a: 1, b: 2, a: 3], :c) | |
| 12 | - | |
| 13 | -# an optional default value can be specified | |
| 14 | -# for missing keys | |
| 15 | -"missing" = Keyword.get([a: 1, b: 2, a: 3], :c, "missing") | |
| 16 | - | |
| 17 | -# Keyword.take returns a list of matching pairs | |
| 18 | -[a: 1, a: 3] = Keyword.take([a: 1, b: 2, a: 3], [:a]) | |
| 19 | - | |
| 20 | -[] = Keyword.take([a: 1, b: 2, a: 3], [:c]) | |
| 21 | - | |
| 22 | -# dot syntax does NOT work | |
| 23 | -# results in compile error | |
| 24 | -[a: 1, b: 2, a: 3].a | |
| 25 | - | |
| 26 | -# From https://elixir-examples.github.io/single-page | |
| 8 | +# From https://elixir-lang.org/crash-course.html#elixir | |
