From 5dfc8ad88a51cdaacec3fa9756ef9dd55b3b1027 Mon Sep 17 00:00:00 2001
From: Alice Dee <alice.dee@guardian.co.uk>
Date: Wed, 20 May 2020 19:13:27 +0100
Subject: Adds nil_error function

---
 src/gleam/result.gleam | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'src')

diff --git a/src/gleam/result.gleam b/src/gleam/result.gleam
index 7dd2076..7861827 100644
--- a/src/gleam/result.gleam
+++ b/src/gleam/result.gleam
@@ -184,3 +184,17 @@ pub fn unwrap(result: Result(a, e), or default: a) -> a {
 pub fn none() -> Option(a) {
   Error(Nil)
 }
+
+/// Transforms any error into Error(Nil)
+///
+/// ## Examples
+///
+///    > nil_error(Error(1))
+///    Error(Nil)
+///
+///    > nil_error(Ok(1))
+///    Ok(1)
+///
+pub fn nil_error(result: Result(a, e)) -> Result(a, Nil) {
+  map_error(result, fn(_) { Nil })
+}
-- 
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