diff --git a/Cargo.lock b/Cargo.lock
index 5f1cd51..416542e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -213,12 +213,12 @@ dependencies = [
 [[package]]
 name = "hbbytecode"
 version = "0.1.0"
-source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#f59c0c10922fb330d43b944a5bfcaa1021ecffe3"
+source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#4b3b6af70eb84d513b9fa926dd8c36e1dba88713"
 
 [[package]]
 name = "hblang"
 version = "0.1.0"
-source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#f59c0c10922fb330d43b944a5bfcaa1021ecffe3"
+source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#4b3b6af70eb84d513b9fa926dd8c36e1dba88713"
 dependencies = [
  "hashbrown",
  "hbbytecode",
@@ -229,7 +229,7 @@ dependencies = [
 [[package]]
 name = "hbvm"
 version = "0.1.0"
-source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#f59c0c10922fb330d43b944a5bfcaa1021ecffe3"
+source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#4b3b6af70eb84d513b9fa926dd8c36e1dba88713"
 dependencies = [
  "hbbytecode",
 ]
diff --git a/sysdata/libraries/stn/src/fmt.hb b/sysdata/libraries/stn/src/fmt.hb
index a5ed592..f6383a9 100644
--- a/sysdata/libraries/stn/src/fmt.hb
+++ b/sysdata/libraries/stn/src/fmt.hb
@@ -119,11 +119,23 @@ fmt_float := fn(v: @Any(), str: ^u8, precision: uint, radix: int): uint {
 
 fmt_container := fn(v: @Any(), str: ^u8, opts: FormatOptions): uint {
 	T2 := @TypeOf(v)
-	i := 0;
-	*@as(^[@lenof(@nameof(T2))]u8, @bitcast(str)) = *@bitcast(@nameof(T2))
-	len := @lenof(@nameof(T2));
-	*@as(^[2]u8, @bitcast(str + len)) = *@bitcast(".(\0")
-	len += 2
+	kind := Kind.of(T2)
+	i := 0
+	len := 0
+	if kind == .Struct {
+		*@as(^[@lenof(@nameof(T2))]u8, @bitcast(str + len)) = *@bitcast(@nameof(T2))
+		len += @lenof(@nameof(T2));
+		*@as(^[2]u8, @bitcast(str + len)) = *@bitcast(".(\0")
+		len += 2
+	} else if kind == .Slice {
+		*@as(^[@lenof(@nameof(@ChildOf(T2)))]u8, @bitcast(str + len)) = *@bitcast(@nameof(@ChildOf(T2)))
+		len += @lenof(@nameof(@ChildOf(T2)));
+		*@as(^[2]u8, @bitcast(str + len)) = *@bitcast(".[\0")
+		len += 2
+	} else if kind == .Tuple {
+		*@as(^[2]u8, @bitcast(str + len)) = *@bitcast(".(\0")
+		len += 2
+	}
 	$loop {
 		v_sub := v[i]
 		len += @inline(format, v_sub, str + len, opts)
@@ -132,9 +144,14 @@ fmt_container := fn(v: @Any(), str: ^u8, opts: FormatOptions): uint {
 			*@as(^[2]u8, @bitcast(str + len)) = *@bitcast(", \0")
 			len += 2
 		}
-	};
-	*@as(^[1]u8, @bitcast(str + len)) = *@bitcast(")\0")
-	len += 1
+	}
+	if kind == .Struct | kind == .Tuple {
+		*@as(^[1]u8, @bitcast(str + len)) = *@bitcast(")\0")
+		len += 1
+	} else if kind == .Slice {
+		*@as(^[1]u8, @bitcast(str + len)) = *@bitcast("]\0")
+		len += 1
+	}
 	return len
 }