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Fix error reporting when signature of bound function is not void #102

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Merged
jinzhongjia merged 2 commits into from
Jun 30, 2025
Merged

Fix error reporting when signature of bound function is not void #102

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fc4f039
update for better return is-not-void error handling
elverskog Jun 29, 2025
c1a5651
compileError not compilerError
elverskog Jun 29, 2025
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5 changes: 3 additions & 2 deletions src/webui.zig
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Original file line number Diff line number Diff line change
Expand Up @@ -773,10 +773,11 @@ pub fn binding(self: webui, element: [:0]const u8, comptime callback: anytype) !

const fnInfo = TInfo.@"fn";
// Verify return type is void
if (fnInfo.return_type != void) {
const Ret = fnInfo.return_type orelse @compileError("return_type can't be null");
if (Ret != void) {
const err_msg = std.fmt.comptimePrint(
"callback's return type ({}), it must be void!",
.{fnInfo.return_type},
.{Ret},
);
@compileError(err_msg);
}
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