From af0ff8381d748e28d08c0eef73ca6ca97da8d6b0 Mon Sep 17 00:00:00 2001
From: Clara Tersi <claratersi@Claras-MacBook-Pro.local>
Date: Wed, 24 Jul 2019 19:43:13 -0300
Subject: [PATCH] implemented simple operations

---
 src/operations/add.js      |  5 +++++
 src/operations/divide.js   |  8 ++++++++
 src/operations/index.js    | 11 +++++++++++
 src/operations/multiply.js |  5 +++++
 src/operations/subtract.js |  5 +++++
 5 files changed, 34 insertions(+)
 create mode 100644 src/operations/add.js
 create mode 100644 src/operations/divide.js
 create mode 100644 src/operations/index.js
 create mode 100644 src/operations/multiply.js
 create mode 100644 src/operations/subtract.js

diff --git a/src/operations/add.js b/src/operations/add.js
new file mode 100644
index 0000000..2112af5
--- /dev/null
+++ b/src/operations/add.js
@@ -0,0 +1,5 @@
+const add = (addend1, addend2) => {
+  return addend1 + addend2;
+};
+
+module.exports = add;
\ No newline at end of file
diff --git a/src/operations/divide.js b/src/operations/divide.js
new file mode 100644
index 0000000..f76d627
--- /dev/null
+++ b/src/operations/divide.js
@@ -0,0 +1,8 @@
+const divide = (dividend, divisor) => {
+  if (divisor === 0) {
+    throw new Error('Cannot divide by 0');
+  }
+  return dividend / divisor;
+};
+
+module.exports = divide;
\ No newline at end of file
diff --git a/src/operations/index.js b/src/operations/index.js
new file mode 100644
index 0000000..d36a775
--- /dev/null
+++ b/src/operations/index.js
@@ -0,0 +1,11 @@
+const add = require('./add');
+const divide = require('./divide');
+const multiply = require('./multiply');
+const subtract = require('./subtract');
+
+module.exports = {
+  add,
+  divide,
+  multiply,
+  subtract,
+};
\ No newline at end of file
diff --git a/src/operations/multiply.js b/src/operations/multiply.js
new file mode 100644
index 0000000..f2ae784
--- /dev/null
+++ b/src/operations/multiply.js
@@ -0,0 +1,5 @@
+const multiply = (multiplicand, multiplier) => {
+  return multiplicand * multiplier;
+};
+
+module.exports = multiply;
\ No newline at end of file
diff --git a/src/operations/subtract.js b/src/operations/subtract.js
new file mode 100644
index 0000000..294c4ab
--- /dev/null
+++ b/src/operations/subtract.js
@@ -0,0 +1,5 @@
+const subtract = (minuend, subtrahend) => {
+  return minuend - subtrahend;
+};
+
+module.exports = subtract;
\ No newline at end of file