❯ cargo run -q -- -c etc/iocaine.kdl
Error: × Failed to interpret etc/iocaine.kdl
├─▶ Failed to evaluate `http-server`
├─▶ Failed to evaluate `script`
├─▶ Failed to evaluate `language`
╰─▶ Unsupported language
╭─[16:12]
15 │ bind-to @iocaine.http
16 │ script language=janet path="/some/path" {
· ───────┬──────
· ╰── here
17 │ module "nsoe" path="/path/to/nam-shub-of-enki"
╰────
help: Supported languages are: roto, fennel, lua

And also:

❯ cargo run -q --no-default-features -F fancy-errors -F http-server -F language-fennel -- -c etc/iocaine.kdl
Error: × Failed to interpret etc/iocaine.kdl
├─▶ Failed to evaluate `http-server`
├─▶ Failed to evaluate `script`
├─▶ Failed to evaluate `language`
╰─▶ Unsupported language
╭─[16:12]
15 │ bind-to @iocaine.http
16 │ script language=roto path="/some/path" {
· ──────┬──────
· ╰── here
17 │ module "nsoe" path="/path/to/nam-shub-of-enki"
╰────
help: Supported languages are: fennel, lua

...but also:

❯ cargo run -q --no-default-features -F http-server -- -c etc/iocaine.kdl
error: At least one of the `language-roto`, `language-fennel`, or `language-lua` MUST be enabled.
--> iocaine-recipe/src/blueprint/zoomies.rs:151:9
|
151 | / compile_error!(
152 | | "At least one of the `language-roto`, `language-fennel`, or `language-lua` MUST be enabled."
153 | | );
| |_________^