From aefe4046de9b600bb84cb308ec3afb8f020a2db0 Mon Sep 17 00:00:00 2001 From: Andrew Kelley Date: Sat, 26 Feb 2022 15:51:59 -0700 Subject: Sema: implement `@enumToInt` for unions --- src/Sema.zig | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) (limited to 'src/Sema.zig') diff --git a/src/Sema.zig b/src/Sema.zig index 9789ca8416..d6664f8d84 100644 --- a/src/Sema.zig +++ b/src/Sema.zig @@ -5308,16 +5308,16 @@ fn zirEnumToInt(sema: *Sema, block: *Block, inst: Zir.Inst.Index) CompileError!A const enum_tag: Air.Inst.Ref = switch (operand_ty.zigTypeTag()) { .Enum => operand, - .Union => { - //if (!operand_ty.unionHasTag()) { - // return sema.fail( - // block, - // operand_src, - // "untagged union '{}' cannot be converted to integer", - // .{dest_ty_src}, - // ); - //} - return sema.fail(block, operand_src, "TODO zirEnumToInt for tagged unions", .{}); + .Union => blk: { + const tag_ty = operand_ty.unionTagType() orelse { + return sema.fail( + block, + operand_src, + "untagged union '{}' cannot be converted to integer", + .{src}, + ); + }; + break :blk try sema.unionToTag(block, tag_ty, operand, operand_src); }, else => { return sema.fail(block, operand_src, "expected enum or tagged union, found {}", .{ -- cgit v1.2.3