1 // Copyright (c) 2018 The predicates-rs Project Developers.
3 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
4 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
5 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
10 use std::path;
18 /// This is created by the `predicate::path::exists` and `predicate::path::missing`.
21     exists: bool,  field
24 impl Predicate<path::Path> for ExistencePredicate {
25     fn eval(&self, path: &path::Path) -> bool {  in eval()
26         path.exists() == self.exists  in eval()
32         variable: &path::Path,  in find_case()  argument
33     ) -> Option<reflection::Case<'a>> {  in find_case()
46     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {  in fmt()
51             palette.description(if self.exists { "exists" } else { "missing" }),  in fmt()
57 /// Creates a new `Predicate` that ensures the path exists.
62 /// use std::path::Path;
65 /// let predicate_fn = predicate::path::exists();
66 /// assert_eq!(true, predicate_fn.eval(Path::new("Cargo.toml")));
68 pub fn exists() -> ExistencePredicate {  in exists()  function
69     ExistencePredicate { exists: true }  in exists()
72 /// Creates a new `Predicate` that ensures the path doesn't exist.
77 /// use std::path::Path;
80 /// let predicate_fn = predicate::path::missing();
81 /// assert_eq!(true, predicate_fn.eval(Path::new("non-existent-file.foo")));
83 pub fn missing() -> ExistencePredicate {  in missing()
84     ExistencePredicate { exists: false }  in missing()