Unused argument produces 0 width diagnostic #627
Description
Zig Version
v0.10.0-dev.3877+3deb33fff
Zig Language Server Version
Steps to Reproduce
Any unused argument.
const std = @import("std");
const testing = std.testing;
export fn add(a: i32, b: i32) i32 {
return a;
}
test "basic add functionality" {
try testing.expect(add(3, 7) == 10);
}Expected Behavior
A diagnostic would be produced which covers the span of 3:22 to 3:23 (where line:column).
Actual Behavior
This is from my editor's (helix) verbose logging:
2022-09-05T10:15:41.571 helix_lsp::transport [INFO] <- {"jsonrpc":"2.0","method":"textDocument/publishDiagnostics","params":{"uri":"file:///home/gcoakes/src/repro/src/main.zig","diagnostics":[{"range":{"start":{"line":3,"character":22},"end":{"line":3,"character":22}},"severity":1,"code":"ast_check","source":"zls","message":"unused function parameter","relatedInformation":[]}]}}