Convert `core:compress` and `core:image` error checks to new union comparison.

No more need for `is_kind(err, Error_Value)`, just test err == Error_Value.

2 files changed, 4 insertions, 5 deletions

diff --git a/core/compress/gzip/example.odin b/core/compress/gzip/example.odin
index 8e0f53cf8..344521489 100644
--- a/core/compress/gzip/example.odin
+++ b/core/compress/gzip/example.odin
@@ -35,7 +35,7 @@ main :: proc() {
 	if len(args) < 2 {
 		stderr("No input file specified.\n");
 		err := gzip.load(TEST, &buf);
-		if gzip.is_kind(err, gzip.E_General.OK) {
+		if err != E_General.OK {
 			stdout("Displaying test vector: ");
 			stdout(bytes.buffer_to_string(&buf));
 			stdout("\n");
@@ -54,8 +54,8 @@ main :: proc() {
 		} else {
 			err = gzip.load(file, &buf);
 		}
-		if !gzip.is_kind(err, gzip.E_General.OK) {
-			if gzip.is_kind(err, gzip.E_General.File_Not_Found) {
+		if err != gzip.E_General.OK {
+			if err != E_General.File_Not_Found {
 				stderr("File not found: ");
 				stderr(file);
 				stderr("\n");
diff --git a/core/compress/gzip/gzip.odin b/core/compress/gzip/gzip.odin
index f86d3ddce..2284953d1 100644
--- a/core/compress/gzip/gzip.odin
+++ b/core/compress/gzip/gzip.odin
@@ -94,7 +94,6 @@ E_General :: compress.General_Error;
 E_GZIP    :: compress.GZIP_Error;
 E_ZLIB    :: compress.ZLIB_Error;
 E_Deflate :: compress.Deflate_Error;
-is_kind   :: compress.is_kind;
 
 load_from_slice :: proc(slice: []u8, buf: ^bytes.Buffer, allocator := context.allocator) -> (err: Error) {
 
@@ -278,7 +277,7 @@ load_from_stream :: proc(stream: io.Stream, buf: ^bytes.Buffer, allocator := con
 
 	// fmt.printf("ZLIB returned: %v\n", zlib_error);
 
-	if !is_kind(zlib_error, E_General.OK) || zlib_error == nil {
+	if zlib_error != E_General.OK || zlib_error == nil {
 		return zlib_error;
 	}