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Two non-functional problem reports

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This commit is contained in:
Chad Stearns 2020-03-29 14:28:06 -04:00
parent a00ed8a1ca
commit 221581432a
4 changed files with 142 additions and 7 deletions
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35
compiler/reporting/src/report.rs
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@ -84,6 +84,41 @@ pub fn can_problem(filename: PathBuf, problem: Problem) -> Report {
" then remove it so future readers of your code don't wonder why it is there.",
));
}
Problem::UnusedImport(module_id, region) => {
texts.push(plain_text("Nothing from "));
texts.push(Module(module_id));
texts.push(plain_text(" is used in this module."));
texts.push(newline());
texts.push(newline());
texts.push(Region(region));
texts.push(newline());
texts.push(newline());
texts.push(plain_text("Since "));
texts.push(Module(module_id));
texts.push(plain_text(" isn't used, you don't need to import it."));
}
Problem::UnusedArgument(closure_symbol, argument_symbol, region) => {
texts.push(Value(closure_symbol));
texts.push(plain_text(" doesn't use "));
texts.push(Value(argument_symbol));
texts.push(plain_text("."));
texts.push(newline());
texts.push(newline());
texts.push(Region(region));
texts.push(newline());
texts.push(newline());
texts.push(plain_text("If you don't need "));
texts.push(Value(argument_symbol));
texts.push(plain_text(
", then you can just remove it. However, if you really do need ",
));
texts.push(Value(argument_symbol));
texts.push(plain_text(" as an argument of "));
texts.push(Value(closure_symbol));
texts.push(plain_text(", prefix it with an underscore, like this: \"_"));
texts.push(Value(argument_symbol));
texts.push(plain_text("\". Adding an underscore at the start of a variable name is a way of saying that the variable is not used."));
}
_ => {
panic!("TODO implement others");
}