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Remove pointless OptionSet trait

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The trait was only used internally to the options module, so it doesn't actually need to be exist or implemented on anything! We can just impl them directly on the types and have those methods be local to the module.
This commit is contained in:
Benjamin Sago 2016-04-16 22:25:24 +01:00
parent 45c93b1b63
commit b44ae1b56b
1 changed files with 7 additions and 17 deletions
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24
src/options.rs
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@ -124,9 +124,7 @@ impl Options {
_ => false,
}
}
}
impl OptionSet for Options {
fn deduce(matches: &getopts::Matches) -> Result<Options, Misfire> {
let dir_action = try!(DirAction::deduce(&matches));
let filter = try!(FileFilter::deduce(&matches));
@ -309,11 +307,6 @@ impl View {
}
trait OptionSet: Sized {
fn deduce(matches: &getopts::Matches) -> Result<Self, Misfire>;
}
/// The **file filter** processes a vector of files before outputting them,
/// filtering and sorting the files depending on the user’s command-line
/// flags.
@ -325,7 +318,7 @@ pub struct FileFilter {
sort_field: SortField,
}
impl OptionSet for FileFilter {
impl FileFilter {
fn deduce(matches: &getopts::Matches) -> Result<FileFilter, Misfire> {
let sort_field = try!(SortField::deduce(&matches));
@ -336,9 +329,6 @@ impl OptionSet for FileFilter {
sort_field: sort_field,
})
}
}
impl FileFilter {
/// Remove every file in the given vector that does *not* pass the
/// filter predicate.
@ -493,7 +483,7 @@ impl Default for SortField {
}
}
impl OptionSet for SortField {
impl SortField {
fn deduce(matches: &getopts::Matches) -> Result<SortField, Misfire> {
if let Some(word) = matches.opt_str("sort") {
match &*word {
@ -523,7 +513,7 @@ enum TerminalWidth {
Unset,
}
impl OptionSet for TerminalWidth {
impl TerminalWidth {
fn deduce(_: &getopts::Matches) -> Result<TerminalWidth, Misfire> {
if let Some(columns) = var_os("COLUMNS").and_then(|s| s.into_string().ok()) {
match columns.parse() {
@ -554,7 +544,7 @@ impl Default for TerminalColours {
}
}
impl OptionSet for TerminalColours {
impl TerminalColours {
fn deduce(matches: &getopts::Matches) -> Result<TerminalColours, Misfire> {
if let Some(word) = matches.opt_str("color").or(matches.opt_str("colour")) {
match &*word {
@ -571,7 +561,7 @@ impl OptionSet for TerminalColours {
}
impl OptionSet for Columns {
impl Columns {
fn deduce(matches: &getopts::Matches) -> Result<Columns, Misfire> {
Ok(Columns {
size_format: try!(SizeFormat::deduce(matches)),
@ -586,7 +576,7 @@ impl OptionSet for Columns {
}
impl OptionSet for SizeFormat {
impl SizeFormat {
/// Determine which file size to use in the file size column based on
/// the user’s options.
@ -610,7 +600,7 @@ impl OptionSet for SizeFormat {
}
impl OptionSet for TimeTypes {
impl TimeTypes {
/// Determine which of a file’s time fields should be displayed for it
/// based on the user’s options.