Simplified printspan.c example

1 files changed, 12 insertions, 23 deletions

diff --git a/misc/examples/spans/printspan.c b/misc/examples/spans/printspan.c
index eb9d80e3..b6999b61 100644
--- a/misc/examples/spans/printspan.c
+++ b/misc/examples/spans/printspan.c
@@ -1,18 +1,16 @@
-// printspan.c
+// https://www.modernescpp.com/index.php/c-20-std-span/
 
 #include <stdio.h>
-#define i_implement
-#include <stc/cstr.h>
 #define i_key int
 #include <stc/cvec.h>
+
 #define i_key int
 #include <stc/cstack.h>
-#define i_key_str
-#include <stc/csset.h>
 
 #include <stc/cspan.h>
 using_cspan(intspan, int);
 
+
 void printMe(intspan container) {
     printf("%d:", (int)cspan_size(&container));
     c_foreach (e, intspan, container)
@@ -20,33 +18,24 @@ void printMe(intspan container) {
     puts("");
 }
 
+
 int main(void)
 {
-    intspan sp1 = cspan_init(intspan, {1, 2});
-    printMe( sp1 );
+    printMe( c_init(intspan, {1, 2, 3, 4}) );
 
-    printMe( c_init(intspan, {1, 2, 3}) );
+    int arr[] = {1, 2, 3, 4, 5};
+    printMe( (intspan)cspan_from_array(arr) );
 
-    int arr[] = {1, 2, 3, 4, 5, 6};
-    intspan sp2 = cspan_from_array(arr);
-    printMe( c_LITERAL(intspan)cspan_subspan(&sp2, 1, 4) );
-
-    cvec_int vec = c_init(cvec_int, {1, 2, 3, 4, 5});
-    printMe( c_LITERAL(intspan)cspan_from(&vec) );
-
-    printMe( sp2 );
+    cvec_int vec = c_init(cvec_int, {1, 2, 3, 4, 5, 6});
+    printMe( (intspan)cspan_from(&vec) );
 
     cstack_int stk = c_init(cstack_int, {1, 2, 3, 4, 5, 6, 7});
-    printMe( c_LITERAL(intspan)cspan_from(&stk) );
+    printMe( (intspan)cspan_from(&stk) );
 
-    csset_str set = c_init(csset_str, {"5", "7", "4", "3", "8", "2", "1", "9", "6"});
-    printf("%d:", (int)csset_str_size(&set));
-    c_foreach (e, csset_str, set)
-        printf(" %s", cstr_str(e.ref));
-    puts("");
+    intspan spn = c_init(intspan, {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12});
+    printMe( (intspan)cspan_subspan(&spn, 2, 8) );
 
     // cleanup
     cvec_int_drop(&vec);
     cstack_int_drop(&stk);
-    csset_str_drop(&set);
 }