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Diffstat (limited to 'elixir.html.markdown')
| -rw-r--r-- | elixir.html.markdown | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/elixir.html.markdown b/elixir.html.markdown index a74baa38..e82509e7 100644 --- a/elixir.html.markdown +++ b/elixir.html.markdown @@ -287,7 +287,11 @@ end PrivateMath.sum(1, 2) #=> 3 # PrivateMath.do_sum(1, 2) #=> ** (UndefinedFunctionError) -# Function declarations also support guards and multiple clauses: +# Function declarations also support guards and multiple clauses. +# When a function with multiple clauses is called, the first function +# that satisfies the clause will be invoked. +# Example: invoking area({:circle, 3}) will call the second area +# function defined below, not the first: defmodule Geometry do def area({:rectangle, w, h}) do w * h |