From 770b738fe62112fc16c5213bd5769a8a54074fc7 Mon Sep 17 00:00:00 2001
From: Arun Isaac
Date: Fri, 1 Dec 2023 22:34:03 +0000
Subject: ccwl: Implement identity construct.

* ccwl/ccwl.scm (collect-steps): Implement identity construct.
* doc/ccwl.skb (Cookbook)[The identity construct]: New section.
* doc/identity-construct.scm: New file.
---
 doc/ccwl.skb | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'doc/ccwl.skb')

diff --git a/doc/ccwl.skb b/doc/ccwl.skb
index 726b405..cb78fd5 100644
--- a/doc/ccwl.skb
+++ b/doc/ccwl.skb
@@ -382,7 +382,14 @@ the external CWL workflow.]
          (scheme-source "doc/external-cwl-workflow.scm")
          [,(file "echo.cwl") is defined as]
          ;; TODO: Syntax highlight doc/external-cwl-workflow.cwl.
-         (prog :line #f (source :file "doc/echo.cwl")))))
+         (prog :line #f (source :file "doc/echo.cwl"))))
+    (section :title [The ,(code [identity]) construct]
+             :ident "identity-construct"
+      (p [Sometimes, it is helpful for a step to simply copy all input
+keys forward to the output. This is what the ,(code [identity])
+construct is for. An example follows.]
+         (scheme-source "doc/identity-construct.scm")
+         (image :file "doc/identity-construct.png"))))
 
   (chapter :title [Contributing]
            :ident "chapter-contributing"
-- 
cgit v1.2.3