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Simplify code in std.meta.isTag

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This commit is contained in:
Evin Yulo 2022-10-16 05:31:29 +00:00 committed by Andrew Kelley
parent c37b40248c
commit b346d48572
1 changed files with 1 additions and 1 deletions
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lib/std/meta.zig
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@ -68,7 +68,7 @@ pub fn isTag(tagged_value: anytype, comptime tag_name: []const u8) bool {
const type_name = @typeName(T);
// select the Enum type out of the type (in the case of the tagged union, extract it)
const E = if (.Enum == type_info) T else if (.Union == type_info) (if (type_info.Union.tag_type) |TT| TT else {
const E = if (.Enum == type_info) T else if (.Union == type_info) (type_info.Union.tag_type orelse {
@compileError("attempted to use isTag on the untagged union " ++ type_name);
}) else {
@compileError("attempted to use isTag on a value of type (" ++ type_name ++ ") that isn't an enum or a union.");