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Minor --file-name code hygeine

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This commit is contained in:
Kyle Criddle
2020-03-25 18:58:05 -06:00
parent 131d113ff5
commit 83772bd2cf
2 changed files with 9 additions and 16 deletions
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16
src/controller.rs
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@ -45,20 +45,12 @@ impl<'b> Controller<'b> {
let stdin = io::stdin();
let filenames = if self.config.filenames.is_none() {
vec![None; self.config.files.len()]
} else {
self.config
.filenames
.as_ref()
.unwrap()
.into_iter()
.map(|name| Some(*name))
.collect()
let filenames: Box<dyn Iterator<Item = _>> = match self.config.filenames {
Some(ref filenames) => Box::new(filenames.into_iter().map(|name| Some(*name))),
None => Box::new(std::iter::repeat(None)),
};
for it in self.config.files.iter().zip(filenames) {
let (input_file, file_name) = it;
for (input_file, file_name) in self.config.files.iter().zip(filenames) {
match input_file.get_reader(&stdin) {
Err(error) => {
handle_error(&error);