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iagocavalcante/responsabilidade-unica.js

Last active December 20, 2018 10:11
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responsabilidade-unica.js
const usuarios = [
{ nome: 'Aluno 1', parcelasFaltantes: 3, valor: 89.9 },
{ nome: 'Aluno 2', parcelasFaltantes: 5, valor: 19.9 },
{ nome: 'Aluno 1', parcelasFaltantes: 7, valor: 49.9 },
{ nome: 'Aluno 1', parcelasFaltantes: 6, valor: 69.9 },
{ nome: 'Aluno 1', parcelasFaltantes: 2, valor: 99.9 }
]
const totalPorUsuario = usuario =>
usuario.parcelasFaltantes * usuario.valor;
const somatorioTotal = usuarios =>
usuarios.reduce((total, usuario) => total += totaPorUsuario(usuario), 0);
console.log('valor total faltante =>', somatorioTotal(usuarios))
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