From 44029cd6e73fd0cdd418b48c0dcaaf7e1f5eca20 Mon Sep 17 00:00:00 2001
From: Meghan Denny
Date: Tue, 24 Aug 2021 16:13:43 -0700
Subject: dry up the updated constraint check

---
 sqlite.zig | 25 +++++++++++--------------
 1 file changed, 11 insertions(+), 14 deletions(-)

diff --git a/sqlite.zig b/sqlite.zig
index 67b67f5..abeea55 100644
--- a/sqlite.zig
+++ b/sqlite.zig
@@ -1053,20 +1053,11 @@ pub fn Statement(comptime opts: StatementOptions, comptime query: ParsedQuery) t
                     .Typed => |typ| {
                         const FieldTypeInfo = @typeInfo(struct_field.field_type);
                         switch (FieldTypeInfo) {
-                            .Struct, .Enum, .Union => {
-                                if (@hasDecl(struct_field.field_type, "BaseType")) {
-                                    if (struct_field.field_type.BaseType != typ) {
-                                        @compileError("value type " ++ @typeName(struct_field.field_type.BaseType) ++ " is not the bind marker type " ++ @typeName(typ));
-                                    }
-                                } else if (struct_field.field_type != typ) {
-                                    @compileError("value type " ++ @typeName(struct_field.field_type) ++ " is not the bind marker type " ++ @typeName(typ));
-                                }
-                            },
-                            else => {
-                                if (struct_field.field_type != typ) {
-                                    @compileError("value type " ++ @typeName(struct_field.field_type) ++ " is not the bind marker type " ++ @typeName(typ));
-                                }
-                            },
+                            .Struct, .Enum, .Union => comptime assertMarkerType(
+                                if (@hasDecl(struct_field.field_type, "BaseType")) struct_field.field_type.BaseType else struct_field.field_type,
+                                typ,
+                            ),
+                            else => comptime assertMarkerType(struct_field.field_type, typ),
                         }
                     },
                     .Untyped => {},
@@ -1078,6 +1069,12 @@ pub fn Statement(comptime opts: StatementOptions, comptime query: ParsedQuery) t
             }
         }
 
+        fn assertMarkerType(comptime Actual: type, comptime Expected: type) void {
+            if (Actual != Expected) {
+                @compileError("value type " ++ @typeName(Actual) ++ " is not the bind marker type " ++ @typeName(Expected));
+            }
+        }
+
         fn bindField(self: *Self, comptime FieldType: type, comptime field_name: []const u8, i: c_int, field: FieldType) void {
             const field_type_info = @typeInfo(FieldType);
             const column = i + 1;
-- 
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