From 5695cf05f8ec56f880fd4d9d7f8d125588e8c93d Mon Sep 17 00:00:00 2001
From: Brad Lewis <22850972+BradLewis@users.noreply.github.com>
Date: Tue, 2 Dec 2025 16:30:07 -0500
Subject: Fix crash when using a generic proc in a struct field with a default
 value

---
 src/server/generics.odin | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/server/generics.odin b/src/server/generics.odin
index fc22942..db858cc 100644
--- a/src/server/generics.odin
+++ b/src/server/generics.odin
@@ -761,9 +761,15 @@ resolve_poly_struct :: proc(ast_context: ^AstContext, b: ^SymbolStructValueBuild
 					// need to be updated
 					if data.parent_proc.params != nil {
 						for &param in data.parent_proc.params.list {
-							if param_ident, ok := param.type.derived.(^ast.Ident); ok {
-								if param_ident.name == ident.name {
-									param.type = expr
+							type := param.type
+							if type == nil {
+								type = param.default_value
+							}
+							if type != nil {
+								if param_ident, ok := type.derived.(^ast.Ident); ok {
+									if param_ident.name == ident.name {
+										param.type = expr
+									}
 								}
 							}
 						}
-- 
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