iter: allow toggling between const/mutable `it`

[xonotic/xonotic-data.pk3dir.git] / qcsrc / lib / iter.qh

diff --git a/qcsrc/lib/iter.qh b/qcsrc/lib/iter.qh
index 89b455ab56f9f6ea3d25a6850a36d0f8fb961b5e..eaac63f5eff415c8d7a5aec8fa815b70a3cbe433 100644 (file)
--- a/qcsrc/lib/iter.qh
+++ b/qcsrc/lib/iter.qh
@@ -1,12 +1,18 @@
 #pragma once
 
+#if 1
+#define ITER_CONST const
+#else
+#define ITER_CONST
+#endif
+
 #define FOREACH_ARRAY(arr, start, end, cond, body) \
        MACRO_BEGIN \
        { \
                for (int _i = start; _i < end; ++_i) \
                { \
                        const noref int i = _i; \
-                       const noref entity it = arr[i]; \
+                       ITER_CONST noref entity it = arr[i]; \
                        if (cond) { LAMBDA(body) } \
                } \
        } MACRO_END
@@ -20,7 +26,7 @@
                for (entity _it = list##_first; _it; (_it = _it.next, ++_i)) \
                { \
                        const noref int i = _i; \
-                       const noref entity it = _it; \
+                       ITER_CONST noref entity it = _it; \
                        if (cond) { LAMBDA(body) } \
                } \
        } MACRO_END
@@ -88,7 +94,7 @@
                for (entity _it = NULL; (_it = nextent(_it)); ++_i) \
                { \
                        const noref int i = _i; \
-                       const noref entity it = _it; \
+                       ITER_CONST noref entity it = _it; \
                        if (cond) { LAMBDA(body) } \
                } \
        } MACRO_END