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report: use const reference in node_report.cc

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PR-URL: https://github.com/nodejs/node/pull/27479
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
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gengjiawen 2019-04-30 00:25:54 +08:00 committed by Anna Henningsen
parent 61546b91eb
commit 97ee1c99e2
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src/node_report.cc
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@ -231,7 +231,7 @@ static void WriteNodeReport(Isolate* isolate,
// Report out the command line. // Report out the command line.
if (!node::per_process::cli_options->cmdline.empty()) { if (!node::per_process::cli_options->cmdline.empty()) {
writer.json_arraystart("commandLine"); writer.json_arraystart("commandLine");
for (std::string arg : node::per_process::cli_options->cmdline) { for (const std::string& arg : node::per_process::cli_options->cmdline) {
writer.json_element(arg); writer.json_element(arg);
} }
writer.json_arrayend(); writer.json_arrayend();