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Update with more review feedback from jonahwilliams

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* Remove the identity() function.
* Make _flattenMap private.
* Don't bother with ungrowable lists.
This commit is contained in:
James Lin 2019-08-15 11:12:08 -07:00 committed by James D. Lin
parent 4f3b70671c
commit 9823b3dbd4
1 changed files with 6 additions and 8 deletions
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14
dev/bots/run_command.dart
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@ -136,8 +136,8 @@ Future<void> runCommand(String executable, List<String> arguments, {
print('$clock ELAPSED TIME: $bold${elapsedTime(start)}$reset for $commandDescription in $relativeWorkingDir: ');
if (output != null) {
output.stdout = flattenToString(await savedStdout);
output.stderr = flattenToString(await savedStderr);
output.stdout = _flattenToString(await savedStdout);
output.stderr = _flattenToString(await savedStderr);
}
// If the test is flaky we don't care about the actual exit.
@ -156,8 +156,8 @@ Future<void> runCommand(String executable, List<String> arguments, {
break;
case OutputMode.capture:
case OutputMode.discard:
stdout.writeln(flattenToString(await savedStdout));
stderr.writeln(flattenToString(await savedStderr));
stdout.writeln(_flattenToString(await savedStdout));
stderr.writeln(_flattenToString(await savedStderr));
break;
}
print(
@ -171,11 +171,9 @@ Future<void> runCommand(String executable, List<String> arguments, {
}
}
T identity<T>(T x) => x;
/// Flattens a nested list of UTF-8 code units into a single string.
String flattenToString(List<List<int>> chunks) =>
utf8.decode(chunks.expand<int>(identity).toList(growable: false));
String _flattenToString(List<List<int>> chunks) =>
utf8.decode(chunks.expand<int>((List<int> ints) => ints).toList());
/// Specifies what to do with command output from [runCommand].
enum OutputMode { print, capture, discard }