Add #partial tag for enumerated arrays to prevent common errors using non-contiguous enumerations

1 files changed, 13 insertions, 3 deletions

diff --git a/examples/demo/demo.odin b/examples/demo/demo.odin
index a11a0a387..12d2eaf55 100644
--- a/examples/demo/demo.odin
+++ b/examples/demo/demo.odin
@@ -1845,11 +1845,9 @@ constant_literal_expressions :: proc() {
 	FOO_ARRAY_DEFAULTS :: [3]Foo{{}, {}, {}};
 	fmt.println(FOO_ARRAY_DEFAULTS[2].x);
 
-
-
 	fmt.println("-------");
 
-	Baz :: enum{A=5, B, C, D=9};
+	Baz :: enum{A=5, B, C, D};
 	ENUM_ARRAY_CONST :: [Baz]int{.A .. .C = 1, .D = 16};
 
 	fmt.println(ENUM_ARRAY_CONST[.A]);
@@ -1859,6 +1857,18 @@ constant_literal_expressions :: proc() {
 
 	fmt.println("-------");
 
+	Partial_Baz :: enum{A=5, B, C, D=16};
+	#assert(len(Partial_Baz) < len(#partial [Partial_Baz]int));
+	PARTIAL_ENUM_ARRAY_CONST :: #partial [Partial_Baz]int{.A .. .C = 1, .D = 16};
+
+	fmt.println(PARTIAL_ENUM_ARRAY_CONST[.A]);
+	fmt.println(PARTIAL_ENUM_ARRAY_CONST[.B]);
+	fmt.println(PARTIAL_ENUM_ARRAY_CONST[.C]);
+	fmt.println(PARTIAL_ENUM_ARRAY_CONST[.D]);
+
+	fmt.println("-------");
+
+
 	STRING_CONST :: "Hellope!";
 
 	fmt.println(STRING_CONST[0]);