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@sgobotta
Last active May 5, 2020 22:35
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Gists for the FeatureLearn Erlang course (1.9)
-module(first).
-export([
double/1,
mult/2,
area/3,
square/1,
trbl/1,
sum/3
]).
mult(X,Y) ->
X*Y.
double(X) ->
mult(2,X).
area(A,B,C) ->
S = sum(A,B,C)/2,
math:sqrt(S*(S-A)*(S-B)*(S-C)).
square(X) ->
mult(X,X).
trbl(X) ->
mult(3,X).
sum(X,Y,Z) ->
X+Y+Z.
-module(second).
-import(first,[
square/1,
area/3,
sum/3
]).
-export([
hypotenuse/2,
area/2,
perimeter/2
]).
% given two sides of a tractangle triangle returns the size of the hypotenuse
hypotenuse(X,Y) ->
math:sqrt(square(X) + square(Y)).
% given two sides of a triangle rectangle returns the area
area(X,Y) ->
H = hypotenuse(X,Y),
area(X,Y,H).
% given two sides of a tractangle triangle returns the perimeter
perimeter(X,Y) ->
H = hypotenuse(X,Y),
sum(X,Y,H).
@elbrujohalcon
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Ah, sí… podemos hablar en porteño si te cabe, eh? Por mí, todo bien :P

@sgobotta
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sgobotta commented May 5, 2020

Aaaajáa. A la tarde voy a estar chequeando los mensajes de esa fase sección cuando remote los ejercicios. Esta bastante entretenido! 🎉

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