Merge pull request #24537 from IOKG04/some-documentation-updates-0

some small langref changes

Author: mlugg

doc/langref.html.in

@@ -3215,7 +3215,7 @@ fn createFoo(param: i32) !Foo {
       to increase their development pace.
       </p>
       <p>
-      Error Return Traces are enabled by default in {#link|Debug#} and {#link|ReleaseSafe#} builds and disabled by default in {#link|ReleaseFast#} and {#link|ReleaseSmall#} builds.
+      Error Return Traces are enabled by default in {#link|Debug#} builds and disabled by default in {#link|ReleaseFast#}, {#link|ReleaseSafe#} and {#link|ReleaseSmall#} builds.
       </p>
       <p>
       There are a few ways to activate this error return tracing feature:
@@ -4840,7 +4840,7 @@ fn cmpxchgWeakButNotAtomic(comptime T: type, ptr: *T, expected_value: T, new_val
       <p>
       This builtin can be called from a {#link|comptime#} block to conditionally export symbols.
       When <code>ptr</code> points to a function with the C calling convention and
-      {#syntax#}options.linkage{#endsyntax#} is {#syntax#}.Strong{#endsyntax#}, this is equivalent to
+      {#syntax#}options.linkage{#endsyntax#} is {#syntax#}.strong{#endsyntax#}, this is equivalent to
       the {#syntax#}export{#endsyntax#} keyword used on a function:
       </p>
       {#code|export_builtin.zig#}
@@ -5179,7 +5179,7 @@ fn cmpxchgWeakButNotAtomic(comptime T: type, ptr: *T, expected_value: T, new_val
       <pre>{#syntax#}@mod(numerator: T, denominator: T) T{#endsyntax#}</pre>
       <p>
       Modulus division. For unsigned integers this is the same as
-      {#syntax#}numerator % denominator{#endsyntax#}. Caller guarantees {#syntax#}denominator > 0{#endsyntax#}, otherwise the
+      {#syntax#}numerator % denominator{#endsyntax#}. Caller guarantees {#syntax#}denominator != 0{#endsyntax#}, otherwise the
       operation will result in a {#link|Remainder Division by Zero#} when runtime safety checks are enabled.
       </p>
       <ul>
@@ -5284,7 +5284,7 @@ fn cmpxchgWeakButNotAtomic(comptime T: type, ptr: *T, expected_value: T, new_val
       <pre>{#syntax#}@rem(numerator: T, denominator: T) T{#endsyntax#}</pre>
       <p>
       Remainder division. For unsigned integers this is the same as
-      {#syntax#}numerator % denominator{#endsyntax#}. Caller guarantees {#syntax#}denominator > 0{#endsyntax#}, otherwise the
+      {#syntax#}numerator % denominator{#endsyntax#}. Caller guarantees {#syntax#}denominator != 0{#endsyntax#}, otherwise the
       operation will result in a {#link|Remainder Division by Zero#} when runtime safety checks are enabled.
       </p>
       <ul>

doc/langref/test_coerce_slices_arrays_and_pointers.zig

@@ -67,4 +67,11 @@ test "*T to *[1]T" {
     try expect(z[0] == 1234);
 }
 
+// Sentinel-terminated slices can be coerced into sentinel-terminated pointers
+test "[:x]T to [*:x]T" {
+    const buf: [:0]const u8 = "hello";
+    const buf2: [*:0]const u8 = buf;
+    try expect(buf2[4] == 'o');
+}
+
 // test

test/behavior/math.zig

@@ -525,6 +525,8 @@ fn testIntDivision() !void {
     try expect(rem(i32, 10, 12) == 10);
     try expect(rem(i32, -14, 12) == -2);
     try expect(rem(i32, -2, 12) == -2);
+    try expect(rem(i32, 118, -12) == 10);
+    try expect(rem(i32, -14, -12) == -2);
     try expect(rem(i16, -118, 12) == -10);
 
     try expect(divTrunc(i20, 20, -5) == -4);