From fc0863f40b64ff927a3aa1261b3d8d30afe68d85 Mon Sep 17 00:00:00 2001
From: Dirkjan Ochtman <dirkjan@ochtman.nl>
Date: Mon, 25 Jun 2018 12:46:00 +0200
Subject: Add support for 'loop.first' variable

---
 askama/src/lib.rs              | 1 +
 askama_derive/src/generator.rs | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/askama/src/lib.rs b/askama/src/lib.rs
index 56c5202..f64fa68 100644
--- a/askama/src/lib.rs
+++ b/askama/src/lib.rs
@@ -200,6 +200,7 @@
 //!
 //! * *loop.index*: current loop iteration (starting from 1)
 //! * *loop.index0*: current loop iteration (starting from 0)
+//! * *loop.first*: whether this is the first iteration of the loop
 //!
 //! ### If
 //!
diff --git a/askama_derive/src/generator.rs b/askama_derive/src/generator.rs
index 5ec2238..07c87bf 100644
--- a/askama_derive/src/generator.rs
+++ b/askama_derive/src/generator.rs
@@ -720,6 +720,9 @@ impl<'a> Generator<'a> {
                     return DisplayWrap::Unwrapped;
                 } else if attr == "index0" {
                     return DisplayWrap::Unwrapped;
+                } else if attr == "first" {
+                    code.push_str(" == 0");
+                    return DisplayWrap::Unwrapped;
                 } else {
                     panic!("unknown loop variable");
                 }
-- 
cgit