workflow: Move coerce-type to (ravanan reader).

* ravanan/workflow.scm (coerce-type): Move to ...
* ravanan/reader.scm (coerce-type): ... here.

2 files changed, 13 insertions, 12 deletions

diff --git a/ravanan/reader.scm b/ravanan/reader.scm
index 69c9d55..6ca36bc 100644
--- a/ravanan/reader.scm
+++ b/ravanan/reader.scm
@@ -28,7 +28,8 @@
   #:use-module (ravanan work utils)
   #:use-module (ravanan work vectors)
   #:export (read-workflow
-            read-inputs))
+            read-inputs
+            coerce-type))
 
 (define (preprocess-include tree)
   (cond
@@ -269,3 +270,14 @@ each association list of the returned vector of association lists. If
                (call-with-input-file (basename inputs-file)
                  json->scm)
                (read-yaml-file (basename inputs-file)))))))
+
+(define (coerce-type val type)
+  "Coerce @var{val} to @var{type}."
+  ;; This function exists to handle YAML's type ambiguities.
+  (case type
+    ((boolean)
+     (cond
+      ((member val (list "true" "yes")) #t)
+      ((member val (list "false" "no")) #f)
+      (else (error "Unable to coerce value to type" val type))))
+    (else val)))
diff --git a/ravanan/workflow.scm b/ravanan/workflow.scm
index af720a8..989c711 100644
--- a/ravanan/workflow.scm
+++ b/ravanan/workflow.scm
@@ -157,17 +157,6 @@ requirements and hints of the step."
                       (list (subset-requirements parent-hints)
                             (subset-requirements step-hints)))))))
 
-(define (coerce-type val type)
-  "Coerce @var{val} to @var{type}."
-  ;; This function exists to handle YAML's type ambiguities.
-  (case type
-    ((boolean)
-     (cond
-      ((member val (list "true" "yes")) #t)
-      ((member val (list "false" "no")) #f)
-      (else (error "Unable to coerce value to type" val type))))
-    (else val)))
-
 (define (optional-input? input)
   "Return @code{#t} if @var{input} is optional. Else, return @code{#f}."
   ;; Inputs that either have a default or accept null values are optional.