From 8f57f3d331de4cb4aa7d06862c2de3424eb1ba5b Mon Sep 17 00:00:00 2001
From: Tyge Løvset <tylo@norceresearch.no>
Date: Fri, 22 Apr 2022 12:20:31 +0200
Subject: Readded push()/emplace() to all containers missing them. Made _hash
 function required for i_key_bind, _eq is derived from _cmp.

---
 examples/box.c             | 4 ++++
 examples/city.c            | 7 +++++--
 examples/person_arc.c      | 4 ++++
 examples/rawptr_elements.c | 4 ++--
 examples/vikings.c         | 7 ++++---
 5 files changed, 19 insertions(+), 7 deletions(-)

(limited to 'examples')

diff --git a/examples/box.c b/examples/box.c
index d2d98218..4a43b149 100644
--- a/examples/box.c
+++ b/examples/box.c
@@ -7,6 +7,10 @@ Person Person_new(const char* name, const char* last) {
     return (Person){.name = cstr_from(name), .last = cstr_from(last)};
 }
 
+uint64_t Person_hash(const Person* a, size_t n) {
+    return cstr_hash(&a->name, 0) ^ cstr_hash(&a->last, 0);
+}
+
 int Person_cmp(const Person* a, const Person* b) {
     int c = cstr_cmp(&a->name, &b->name);
     return c ? c : cstr_cmp(&a->last, &b->last);
diff --git a/examples/city.c b/examples/city.c
index 16c9b6f1..0e1cbe96 100644
--- a/examples/city.c
+++ b/examples/city.c
@@ -1,7 +1,6 @@
 #include <stc/cstr.h>
 
-typedef struct
-{
+typedef struct {
     cstr name;
     cstr country;
     float lat, lon;
@@ -13,6 +12,10 @@ static inline int City_cmp(const City* a, const City* b) {
     return c ? c : cstr_cmp(&a->country, &b->country);
 }
 
+static inline uint64_t City_hash(const City* a, size_t n) {
+    return cstr_hash(&a->name, 0) ^ cstr_hash(&a->country, 0);
+}
+
 static inline City City_clone(City c) {
     c.name = cstr_clone(c.name);
     c.country = cstr_clone(c.country);
diff --git a/examples/person_arc.c b/examples/person_arc.c
index 2fb51be5..9d245340 100644
--- a/examples/person_arc.c
+++ b/examples/person_arc.c
@@ -12,6 +12,10 @@ int Person_cmp(const Person* a, const Person* b) {
     return c ? c : cstr_cmp(&a->last, &b->last);
 }
 
+uint64_t Person_hash(const Person* a, size_t n) {
+    return cstr_hash(&a->name, 0) ^ cstr_hash(&a->last, 0);
+}
+
 Person Person_clone(Person p) {
     p.name = cstr_clone(p.name);
     p.last = cstr_clone(p.last);
diff --git a/examples/rawptr_elements.c b/examples/rawptr_elements.c
index b0878941..20231528 100644
--- a/examples/rawptr_elements.c
+++ b/examples/rawptr_elements.c
@@ -8,8 +8,8 @@ struct { double x, y; } typedef Point;
 #define i_key Point*
 #define i_keydrop(x) c_free(*(x))
 #define i_keyfrom(x) c_new(Point, *(x))
-#define i_hash(x, n) c_default_hash(*(x), sizeof *(x))
-#define i_eq(x, y) c_memcmp_eq(*(x), *(y))
+#define i_hash(x, n) c_default_hash(*(x), sizeof **(x))
+#define i_cmp(x, y)  memcmp(*(x), *(y), sizeof **(x)) // not good!
 #define i_tag pnt
 #include <stc/cset.h>
 
diff --git a/examples/vikings.c b/examples/vikings.c
index b093ff9b..ff2fe8ab 100644
--- a/examples/vikings.c
+++ b/examples/vikings.c
@@ -22,8 +22,9 @@ uint64_t RViking_hash(const RViking* raw, size_t ignore) {
     uint64_t hash = c_strhash(raw->name) ^ (c_strhash(raw->country) >> 15);
     return hash;
 }
-static inline bool RViking_eq(const RViking* rx, const RViking* ry) {
-    return strcmp(rx->name, ry->name) == 0 && strcmp(rx->country, ry->country) == 0;
+static inline int RViking_cmp(const RViking* rx, const RViking* ry) {
+    int c = strcmp(rx->name, ry->name);
+    return c ? c : strcmp(rx->country, ry->country);
 }
 
 static inline Viking Viking_from(RViking raw) { // note: parameter is by value
@@ -40,7 +41,7 @@ static inline RViking Viking_toraw(const Viking* vk) {
 #define i_val       int
 // i_key_bind auto-binds these functions:
 //   i_hash     => Viking_hash
-//   i_eq       => Viking_eq
+//   i_cmp      => Viking_cmp
 //   i_keyfrom  => Viking_from // not _clone because i_keyraw is defined
 //   i_keyto    => Viking_toraw
 //   i_keydrop  => Viking_drop
-- 
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