initial commit

functions/functions.go

@@ -0,0 +1,25 @@
+package main
+
+import "fmt"
+
+// here is a function that takes two ints and sums them
+// then returns them as an int
+// go requires explicit returns meaning it wont
+// automatically return the value of the last expression
+func plus(a int,b int) int {
+	return a+b
+}
+
+//when you have multiple consecutive params with the same type they can be type declared as such:
+func plusPlus(a,b,c int) int {
+	return a+b+c
+}
+
+//call functions like you would expect
+func main(){
+	res := plus(1,2)
+	fmt.Println("1+2=",res)
+
+	res = plusPlus(1,2,3)
+	fmt.Println("1+2+3=",res)
+}