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authorTrygve Laugstøl <trygvis@inamo.no>2024-02-23 07:08:18 +0100
committerTrygve Laugstøl <trygvis@inamo.no>2024-02-23 07:08:18 +0100
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parent05ae56e5e89abf2993f84e6d52b250131f247c35 (diff)
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diff --git a/learn-you-some-erlang/useless.erl b/learn-you-some-erlang/useless.erl
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+-module(useless).
+-export([add/2, hello/0, greet_and_add_two/1]).
+
+add(A,B) ->
+ A + B.
+
+%% Shows greetings.
+%% io:format/1 is the standard function used to output text.
+hello() ->
+ io:format("Hello, world!~n").
+
+greet_and_add_two(X) ->
+ hello(),
+ add(X,2).