1 files changed, 12 insertions, 1 deletions
diff --git a/src/Environment.zig b/src/Environment.zig
index 34e6401..2fe9099 100644
--- a/src/Environment.zig
+++ b/src/Environment.zig
@@ -4,6 +4,7 @@
 
 const SourceLocation = std.builtin.SourceLocation;
 const expectEqual = std.testing.expectEqual;
+const expectError = std.testing.expectError;
 const std = @import("std");
 const zeroes = std.mem.zeroes;
 
@@ -11,6 +12,7 @@ const Value = zsanett.Value;
 const janet = @import("rename.zig").janet;
 const unwrap = zsanett.unwrap;
 const wrap = zsanett.wrap;
+const wrapFn = zsanett.wrapFn;
 const zsanett = @import("root.zig");
 
 const Environment = @This();
@@ -82,7 +84,7 @@ pub fn defn(comptime fun: anytype, reg: struct {
     const cfuns = [_]janet.RegExt{
         .{
             .name = reg.name,
-            .cfun = janet.unwrapCfunction(try wrap(fun)),
+            .cfun = try wrapFn(fun),
             .documentation = reg.documentation,
             .source_file = reg.source.file,
             .source_line = @bitCast(reg.source.line),
@@ -107,4 +109,13 @@ test defn {
         .source = @src(),
     });
     try expectEqual(try eval(i32, "(add 3 7)", @src().fn_name), 10);
+
+    try defn(struct {
+        fn raise() !void { return error.ThisIsFine; }
+    }.raise, .{
+        .name = "raise",
+        .documentation = "(raise)\n\nRaise an error.",
+        .source = @src(),
+    });
+    try expectError(error.JanetError, eval(void, "(raise)", @src().fn_name));
 }