ext/userfunc: use bare identifiers for param names

Now that we have the necessary functions to deal with this in the
low-level HCL API, it's more intuitive to use bare identifiers for these
parameter names. This reinforces the idea that they are symbols being
defined rather than arbitrary string expressions.

1 files changed, 8 insertions, 2 deletions

diff --git a/cmd/hcldec/spec-format.md b/cmd/hcldec/spec-format.md
index d80beda..9f4d7a9 100644
--- a/cmd/hcldec/spec-format.md
+++ b/cmd/hcldec/spec-format.md
@@ -364,7 +364,7 @@ block type:
 
 ```
 function "add_one" {
-  params = ["n"]
+  params = [n]
   result = n + 1
 }
 ```
@@ -379,9 +379,15 @@ input file:
 
 ```
 function "upper" {
-  params = ["str"]
+  params = [str]
   result = upper(str)
 }
+
+function "min" {
+  params         = []
+  variadic_param = nums
+  result         = min(nums...)
+}
 ```
 
 Custom functions defined in the spec cannot be called from the spec itself.