Elixir Programming Examples

Elixir Using the Capture Operator

elixir

sum = &(&1 + &2) 
IO.puts(sum.(1, 2))

elixir

sum = fn (a, b) -> a + b end
IO.puts(sum.(1, 5))

elixir

alias List, as: String
#Now when we use String we are actually using List.
#To use the string module: 
IO.puts(Elixir.String.length("Hello"))

elixir

alias String, as: Str
IO.puts(Str.length("Hello"))

elixir

defmodule Math do
   def sum(a, b) do
      a + b
   end
end
IO.puts(Math.sum(1, 2))

elixir

map = %{:a => 1, 2 => :b} 
IO.puts(map.a)

elixir

%{:a => a} = %{:a => 1, 2 => :b}
IO.puts(a)

elixir

map = %{:a => 1, 2 => :b}
new_map = %{ map | a: 25}
IO.puts(new_map[:a])

elixir

map = %{:a => 1, 2 => :b}
new_map = Dict.put_new(map, :new_val, "value") 
IO.puts(new_map[:new_val])

elixir

map = %{:a => 1, 2 => :b}
IO.puts(map[:a])
IO.puts(map[2])

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