Detect division by zero: Difference between revisions

Content added Content deleted

Inline

@@ Line 2,533: / Line 2,533: @@
 fn main() {
+	divide(0, 0)
 	divide(15, 0)
 	divide(15, 3)
@@ Line 2,539: / Line 2,540: @@
 fn divide(x f64, y f64) {
 	result := x/y
-	if result.str().contains('inf') == false {
+	if result.str().contains_any_substr(['inf','nan']) == true {
-		println(result)
+		println(Can\'t divide by zero!')
 		return
 	}
-	println('Can\'t divide by zero!')
+	println(result)
 }
 </syntaxhighlight>
@@ Line 2,551: / Line 2,552: @@
 <syntaxhighlight lang="Go">
 fn main() {
-	divide(15, 0)
 	divide(15, 3)
+	divide(10, 0)
+	divide(0, 0)
 }
-fn divide(x f64, y f64) {
+pub fn divide(x f64, y f64) {
-	error_handler := fn [x, y] () !f64 {
+	succeed := divide_error_handler(x, y) or {
-		result := x/y
-		if result.str().contains('inf') == false {return result}
-		return error('Can\'t divide by zero!')
-	}
-	succeed := error_handler() or {
 		println(err)
 		return
 	}
 	println(succeed)
+}
+fn divide_error_handler(x f64, y f64) !f64 {
+	result := x/y
+	if result.str().contains_any_substr(['inf','nan']) == true {
+		return error('Can\'t divide by zero!')
+	}
+	return result
 }
 </syntaxhighlight>
@@ Line 2,571: / Line 2,576: @@
 {{out}}
 <pre>
+Can't divide by zero!
 Can't divide by zero!
 .0