development branch for 4.2

Removed uses of c_auto and c_with in documentation examples and code examples. Still using c_defer a few places.
Renamed c11/fmt.h to c11/print.h.
Some additions in ccommon.h, e.g. c_const_cast(T, x).
Improved docs.

1 files changed, 53 insertions, 59 deletions

diff --git a/misc/examples/inits.c b/misc/examples/inits.c
index 3d03ee91..7530dd08 100644
--- a/misc/examples/inits.c
+++ b/misc/examples/inits.c
@@ -36,79 +36,73 @@ int main(void)
 {
     // CVEC FLOAT / PRIORITY QUEUE
 
-    c_auto (cpque_f, floats) {
-        const float nums[] = {4.0f, 2.0f, 5.0f, 3.0f, 1.0f};
-
-        // PRIORITY QUEUE
-        c_forrange (i, c_ARRAYLEN(nums))
-            cpque_f_push(&floats, nums[i]);
-
-        puts("\npop and show high priorites first:");
-        while (! cpque_f_empty(&floats)) {
-            printf("%.1f ", *cpque_f_top(&floats));
-            cpque_f_pop(&floats);
-        }
-        puts("\n");
+    cpque_f floats = {0};
+    const float nums[] = {4.0f, 2.0f, 5.0f, 3.0f, 1.0f};
+
+    // PRIORITY QUEUE
+    c_forrange (i, c_ARRAYLEN(nums))
+        cpque_f_push(&floats, nums[i]);
+
+    puts("\npop and show high priorites first:");
+    while (! cpque_f_empty(&floats)) {
+        printf("%.1f ", *cpque_f_top(&floats));
+        cpque_f_pop(&floats);
     }
+    puts("\n");
+    cpque_f_drop(&floats);
 
     // CMAP ID
 
     int year = 2020;
-    c_auto (cmap_id, idnames) {
-        cmap_id_emplace(&idnames, 100, "Hello");
-        cmap_id_insert(&idnames, 110, cstr_lit("World"));
-        cmap_id_insert(&idnames, 120, cstr_from_fmt("Howdy, -%d-", year));
-
-        c_foreach (i, cmap_id, idnames)
-            printf("%d: %s\n", i.ref->first, cstr_str(&i.ref->second));
-        puts("");
-    }
+    cmap_id idnames = {0};
+    cmap_id_emplace(&idnames, 100, "Hello");
+    cmap_id_insert(&idnames, 110, cstr_lit("World"));
+    cmap_id_insert(&idnames, 120, cstr_from_fmt("Howdy, -%d-", year));
+
+    c_foreach (i, cmap_id, idnames)
+        printf("%d: %s\n", i.ref->first, cstr_str(&i.ref->second));
+    puts("");
+    cmap_id_drop(&idnames);
 
     // CMAP CNT
 
-    c_auto (cmap_cnt, countries)
-    {
-        countries = c_make(cmap_cnt, {
-            {"Norway", 100},
-            {"Denmark", 50},
-            {"Iceland", 10},
-            {"Belgium", 10},
-            {"Italy", 10},
-            {"Germany", 10},
-            {"Spain", 10},
-            {"France", 10},
-        });
-        cmap_cnt_emplace(&countries, "Greenland", 0).ref->second += 20;
-        cmap_cnt_emplace(&countries, "Sweden", 0).ref->second += 20;
-        cmap_cnt_emplace(&countries, "Norway", 0).ref->second += 20;
-        cmap_cnt_emplace(&countries, "Finland", 0).ref->second += 20;
-
-        c_forpair (country, health, cmap_cnt, countries)
-            printf("%s: %d\n", cstr_str(_.country), *_.health);
-        puts("");
-    }
+    cmap_cnt countries = c_make(cmap_cnt, {
+        {"Norway", 100},
+        {"Denmark", 50},
+        {"Iceland", 10},
+        {"Belgium", 10},
+        {"Italy", 10},
+        {"Germany", 10},
+        {"Spain", 10},
+        {"France", 10},
+    });
+    cmap_cnt_emplace(&countries, "Greenland", 0).ref->second += 20;
+    cmap_cnt_emplace(&countries, "Sweden", 0).ref->second += 20;
+    cmap_cnt_emplace(&countries, "Norway", 0).ref->second += 20;
+    cmap_cnt_emplace(&countries, "Finland", 0).ref->second += 20;
+
+    c_forpair (country, health, cmap_cnt, countries)
+        printf("%s: %d\n", cstr_str(_.country), *_.health);
+    puts("");
+    cmap_cnt_drop(&countries);
 
     // CVEC PAIR
 
-    c_auto (cvec_ip, pairs1) {
-        pairs1 = c_make(cvec_ip, {{5, 6}, {3, 4}, {1, 2}, {7, 8}});
+    cvec_ip pairs1 = c_make(cvec_ip, {{5, 6}, {3, 4}, {1, 2}, {7, 8}});
+    cvec_ip_sort(&pairs1);
 
-        cvec_ip_sort(&pairs1);
-
-        c_foreach (i, cvec_ip, pairs1)
-            printf("(%d %d) ", i.ref->x, i.ref->y);
-        puts("");
-    }
+    c_foreach (i, cvec_ip, pairs1)
+        printf("(%d %d) ", i.ref->x, i.ref->y);
+    puts("");
+    cvec_ip_drop(&pairs1);
 
     // CLIST PAIR
 
-    c_auto (clist_ip, pairs2) {
-        pairs2 = c_make(clist_ip, {{5, 6}, {3, 4}, {1, 2}, {7, 8}});
+    clist_ip pairs2 = c_make(clist_ip, {{5, 6}, {3, 4}, {1, 2}, {7, 8}});
+    clist_ip_sort(&pairs2);
 
-        clist_ip_sort(&pairs2);
-
-        c_foreach (i, clist_ip, pairs2)
-            printf("(%d %d) ", i.ref->x, i.ref->y);
-        puts("");
-    }
+    c_foreach (i, clist_ip, pairs2)
+        printf("(%d %d) ", i.ref->x, i.ref->y);
+    puts("");
+    clist_ip_drop(&pairs2);
 }