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| author | Will Lillis <wlillis@umass.edu> | 2024-09-23 16:04:24 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-09-23 13:04:24 -0700 |
| commit | 943176bbfcf3125451fa64e082ee357c28e70413 (patch) | |
| tree | 7b72a227aadaaf5d96d59240ea6c97c12cbf1753 /src/Sema.zig | |
| parent | 509639717ac8903fe340a02cef844383183bf716 (diff) | |
| download | zig-943176bbfcf3125451fa64e082ee357c28e70413.tar.gz zig-943176bbfcf3125451fa64e082ee357c28e70413.zip | |
fix: Add error note when attempt is made to destructure error union (#21491)
closes #21417
Diffstat (limited to 'src/Sema.zig')
| -rw-r--r-- | src/Sema.zig | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/Sema.zig b/src/Sema.zig index 14a4061b00..40556d2136 100644 --- a/src/Sema.zig +++ b/src/Sema.zig @@ -5428,6 +5428,9 @@ fn zirValidateDestructure(sema: *Sema, block: *Block, inst: Zir.Inst.Index) Comp const msg = try sema.errMsg(src, "type '{}' cannot be destructured", .{operand_ty.fmt(pt)}); errdefer msg.destroy(sema.gpa); try sema.errNote(destructure_src, msg, "result destructured here", .{}); + if (operand_ty.zigTypeTag(pt.zcu) == .error_union) { + try sema.errNote(src, msg, "consider using 'try', 'catch', or 'if'", .{}); + } break :msg msg; }); } |