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Small tweaks

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This commit is contained in:
Beefki 2017-10-25 20:12:39 -05:00
parent 8e43af7913
commit 1ff420fb49
1 changed files with 4 additions and 2 deletions
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6
src/config.rs
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@ -24,6 +24,7 @@ impl Config {
}; };
// takes `Some(Vec<&str>)` and returns `Vec<&str>` // takes `Some(Vec<&str>)` and returns `Vec<&str>`
// checks to make sure the package manager supports the action
let mut prog = match get { let mut prog = match get {
None => { None => {
println!("Sorry, your package manager does not support this action"); println!("Sorry, your package manager does not support this action");
@ -34,8 +35,9 @@ impl Config {
//Pop's from the front of the `Vec<&str>`, which should always be the command name //Pop's from the front of the `Vec<&str>`, which should always be the command name
let command = prog.remove(0); let command = prog.remove(0);
// Matches against a tuple of the first element of the `Vec` and the `&Option<String>` // Tuple match, `prog.first()` returns an `Option<T>` on the first element of
// from the passed `Config`, taking a reference to that data when it needs it. // a Vec, `self.term` is also an `Option<T>` so this checks both for `Some`/`None`
// and formats the program as needed
match (prog.first(), &self.term) { match (prog.first(), &self.term) {
(None, &None) => { (None, &None) => {
let mut child = Command::new(&command).spawn().expect( let mut child = Command::new(&command).spawn().expect(