From e892ee17e680d12292b971b553b36067ed3bbd74 Mon Sep 17 00:00:00 2001
From: Tadeo Kondrak <me@tadeo.ca>
Date: Mon, 28 Sep 2020 07:29:53 -0600
Subject: [PATCH] std: move std.meta.refAllDecls to std.testing

---
 lib/std/build.zig          | 2 +-
 lib/std/build/emit_raw.zig | 2 +-
 lib/std/crypto.zig         | 2 +-
 lib/std/math.zig           | 2 +-
 lib/std/meta.zig           | 8 +-------
 lib/std/rand.zig           | 2 +-
 lib/std/std.zig            | 2 +-
 lib/std/target.zig         | 2 +-
 lib/std/testing.zig        | 8 ++++++++
 lib/std/zig.zig            | 2 +-
 10 files changed, 17 insertions(+), 15 deletions(-)

diff --git a/lib/std/build.zig b/lib/std/build.zig
index 4cbf6ea67a..0a12b10db4 100644
--- a/lib/std/build.zig
+++ b/lib/std/build.zig
@@ -2702,5 +2702,5 @@ test "" {
     // The only purpose of this test is to get all these untested functions
     // to be referenced to avoid regression so it is okay to skip some targets.
     if (comptime std.Target.current.cpu.arch.ptrBitWidth() == 64)
-        std.meta.refAllDecls(@This());
+        std.testing.refAllDecls(@This());
 }
diff --git a/lib/std/build/emit_raw.zig b/lib/std/build/emit_raw.zig
index d499df1817..75fd7be613 100644
--- a/lib/std/build/emit_raw.zig
+++ b/lib/std/build/emit_raw.zig
@@ -224,5 +224,5 @@ pub const InstallRawStep = struct {
 };
 
 test "" {
-    std.meta.refAllDecls(InstallRawStep);
+    std.testing.refAllDecls(InstallRawStep);
 }
diff --git a/lib/std/crypto.zig b/lib/std/crypto.zig
index 8c225aa719..858869e5e3 100644
--- a/lib/std/crypto.zig
+++ b/lib/std/crypto.zig
@@ -110,7 +110,7 @@ test "crypto" {
     inline for (std.meta.declarations(@This())) |decl| {
         switch (decl.data) {
             .Type => |t| {
-                std.meta.refAllDecls(t);
+                std.testing.refAllDecls(t);
             },
             .Var => |v| {
                 _ = v;
diff --git a/lib/std/math.zig b/lib/std/math.zig
index a1db1309c9..efd70fe049 100644
--- a/lib/std/math.zig
+++ b/lib/std/math.zig
@@ -194,7 +194,7 @@ pub const Complex = complex.Complex;
 pub const big = @import("math/big.zig");
 
 test "" {
-    std.meta.refAllDecls(@This());
+    std.testing.refAllDecls(@This());
 }
 
 pub fn floatMantissaBits(comptime T: type) comptime_int {
diff --git a/lib/std/meta.zig b/lib/std/meta.zig
index 79b0424e96..ca13ba8a28 100644
--- a/lib/std/meta.zig
+++ b/lib/std/meta.zig
@@ -655,13 +655,7 @@ pub fn fieldIndex(comptime T: type, comptime name: []const u8) ?comptime_int {
     return null;
 }
 
-/// Given a type, reference all the declarations inside, so that the semantic analyzer sees them.
-pub fn refAllDecls(comptime T: type) void {
-    if (!builtin.is_test) return;
-    inline for (declarations(T)) |decl| {
-        _ = decl;
-    }
-}
+pub const refAllDecls = @compileError("refAllDecls has been moved from std.meta to std.testing");
 
 /// Returns a slice of pointers to public declarations of a namespace.
 pub fn declList(comptime Namespace: type, comptime Decl: type) []const *const Decl {
diff --git a/lib/std/rand.zig b/lib/std/rand.zig
index 7e05592869..cad76f2da5 100644
--- a/lib/std/rand.zig
+++ b/lib/std/rand.zig
@@ -1140,5 +1140,5 @@ fn testRangeBias(r: *Random, start: i8, end: i8, biased: bool) void {
 }
 
 test "" {
-    std.meta.refAllDecls(@This());
+    std.testing.refAllDecls(@This());
 }
diff --git a/lib/std/std.zig b/lib/std/std.zig
index f4cca0f9f4..c499f7a5cc 100644
--- a/lib/std/std.zig
+++ b/lib/std/std.zig
@@ -92,5 +92,5 @@ comptime {
 }
 
 test "" {
-    meta.refAllDecls(@This());
+    testing.refAllDecls(@This());
 }
diff --git a/lib/std/target.zig b/lib/std/target.zig
index 1b93c82a76..01fffb68e5 100644
--- a/lib/std/target.zig
+++ b/lib/std/target.zig
@@ -1516,5 +1516,5 @@ pub const Target = struct {
 };
 
 test "" {
-    std.meta.refAllDecls(Target.Cpu.Arch);
+    std.testing.refAllDecls(Target.Cpu.Arch);
 }
diff --git a/lib/std/testing.zig b/lib/std/testing.zig
index ccbd1d6324..4b388adb67 100644
--- a/lib/std/testing.zig
+++ b/lib/std/testing.zig
@@ -389,3 +389,11 @@ fn printLine(line: []const u8) void {
 test "" {
     expectEqualStrings("foo", "foo");
 }
+
+/// Given a type, reference all the declarations inside, so that the semantic analyzer sees them.
+pub fn refAllDecls(comptime T: type) void {
+    if (!@import("builtin").is_test) return;
+    inline for (std.meta.declarations(T)) |decl| {
+        _ = decl;
+    }
+}
diff --git a/lib/std/zig.zig b/lib/std/zig.zig
index cc1815e8e5..c28b9b3e35 100644
--- a/lib/std/zig.zig
+++ b/lib/std/zig.zig
@@ -255,5 +255,5 @@ test "parseCharLiteral" {
 }
 
 test "" {
-    @import("std").meta.refAllDecls(@This());
+    @import("std").testing.refAllDecls(@This());
 }