Commit 45d9d9f953
src/ir.cpp
@@ -8488,7 +8488,7 @@ static ConstCastOnly types_match_const_cast_only(IrAnalyze *ira, TypeTableEntry
return result;
}
- // *T and [*]T can always cast to ?*c_void
+ // *T and [*]T can always cast to *c_void
if (wanted_type->id == TypeTableEntryIdPointer &&
wanted_type->data.pointer.ptr_len == PtrLenSingle &&
wanted_type->data.pointer.child_type == g->builtin_types.entry_c_void &&
test/cases/cast.zig
@@ -487,20 +487,20 @@ fn MakeType(comptime T: type) type {
}
test "implicit cast from *[N]T to ?[*]T" {
- var x: ?[*]u16 = null;
- var y: [4]u16 = [4]u16 {0, 1, 2, 3};
+ var x: ?[*]u16 = null;
+ var y: [4]u16 = [4]u16{ 0, 1, 2, 3 };
- x = &y;
- assert(std.mem.eql(u16, x.?[0..4], y[0..4]));
- x.?[0] = 8;
- y[3] = 6;
- assert(std.mem.eql(u16, x.?[0..4], y[0..4]));
+ x = &y;
+ assert(std.mem.eql(u16, x.?[0..4], y[0..4]));
+ x.?[0] = 8;
+ y[3] = 6;
+ assert(std.mem.eql(u16, x.?[0..4], y[0..4]));
}
test "implicit cast from *T to ?*c_void" {
- var a: u8 = 1;
- incrementVoidPtrValue(&a);
- std.debug.assert(a == 2);
+ var a: u8 = 1;
+ incrementVoidPtrValue(&a);
+ std.debug.assert(a == 2);
}
fn incrementVoidPtrValue(value: ?*c_void) void {
@@ -508,15 +508,14 @@ fn incrementVoidPtrValue(value: ?*c_void) void {
}
test "implicit cast from [*]T to ?*c_void" {
- var a = []u8{3, 2, 1};
- incrementVoidPtrArray(a[0..].ptr, 3);
- std.debug.assert(std.mem.eql(u8, a, []u8{4, 3, 2}));
+ var a = []u8{ 3, 2, 1 };
+ incrementVoidPtrArray(a[0..].ptr, 3);
+ assert(std.mem.eql(u8, a, []u8{ 4, 3, 2 }));
}
fn incrementVoidPtrArray(array: ?*c_void, len: usize) void {
var n: usize = 0;
- while(n < len) : (n += 1) {
- std.debug.warn("{}", n);
+ while (n < len) : (n += 1) {
@ptrCast([*]u8, array.?)[n] += 1;
}
-}
\ No newline at end of file
+}