detect and report top level decl dependency loop

2 files changed, 4 insertions, 8 deletions

diff --git a/std/rand.zig b/std/rand.zig
index 46b3674929..637f34443d 100644
--- a/std/rand.zig
+++ b/std/rand.zig
@@ -3,10 +3,8 @@ const ARRAY_SIZE : u16 = 624;
 
 /// Use `rand_init` to initialize this state.
 pub struct Rand {
-    // TODO use ARRAY_SIZE here
-    array: [624]u32,
-    // TODO use #typeof(ARRAY_SIZE) here
-    index: u16,
+    array: [ARRAY_SIZE]u32,
+    index: #typeof(ARRAY_SIZE),
 
     /// Initialize random state with the given seed.
     pub fn init(r: &Rand, seed: u32) {
diff --git a/std/std.zig b/std/std.zig
index d42074a340..e1b66d9cb1 100644
--- a/std/std.zig
+++ b/std/std.zig
@@ -24,8 +24,7 @@ pub fn fprint_str(fd: isize, str: []const u8) -> isize {
 // TODO handle buffering and flushing (mutex protected)
 // TODO error handling
 pub fn print_u64(x: u64) -> isize {
-    // TODO use max_u64_base10_digits instead of hardcoding 20
-    var buf: [20]u8;
+    var buf: [max_u64_base10_digits]u8;
     const len = buf_print_u64(buf, x);
     return write(stdout_fileno, buf.ptr, len);
 }
@@ -33,8 +32,7 @@ pub fn print_u64(x: u64) -> isize {
 // TODO handle buffering and flushing (mutex protected)
 // TODO error handling
 pub fn print_i64(x: i64) -> isize {
-    // TODO use max_u64_base10_digits instead of hardcoding 20
-    var buf: [20]u8;
+    var buf: [max_u64_base10_digits]u8;
     const len = buf_print_i64(buf, x);
     return write(stdout_fileno, buf.ptr, len);
 }