From 9b040da029114408d68defd35416ae4eb31ec99c Mon Sep 17 00:00:00 2001
From: Thom Chiovoloni <tchiovoloni@mozilla.com>
Date: Mon, 6 Apr 2020 13:01:39 -0700
Subject: [PATCH] =?UTF-8?q?Add=20`Rows::{mapped,and=5Fthen}`=20to=20get=20?=
 =?UTF-8?q?an=20Iterator=20out=20of=20a=20Rows=20i=E2=80=A6=20(#676)?=
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---
 src/row.rs | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/row.rs b/src/row.rs
index b6f3491..8983b3b 100644
--- a/src/row.rs
+++ b/src/row.rs
@@ -41,6 +41,25 @@ impl<'stmt> Rows<'stmt> {
     {
         Map { rows: self, f }
     }
+
+    /// Map over this `Rows`, converting it to a [`MappedRows`], which
+    /// implements `Iterator`.
+    pub fn mapped<F, B>(self, f: F) -> MappedRows<'stmt, F>
+    where
+        F: FnMut(&Row<'_>) -> Result<B>,
+    {
+        MappedRows { rows: self, map: f }
+    }
+
+    /// Map over this `Rows` with a fallible function, converting it to a
+    /// [`AndThenRows`], which implements `Iterator` (instead of
+    /// `FallibleStreamingIterator`).
+    pub fn and_then<F, T, E>(self, f: F) -> AndThenRows<'stmt, F>
+    where
+        F: FnMut(&Row<'_>) -> result::Result<T, E>,
+    {
+        AndThenRows { rows: self, map: f }
+    }
 }
 
 impl<'stmt> Rows<'stmt> {