src/vendor/quote/src/ident.rs

   1 use {Tokens, ToTokens};
   2 use std::borrow::Cow;
   3 use std::fmt;
   4
   5 /// An identifier that should be interpolated without quotes.
   6 #[derive(Debug, Clone, Eq, Hash)]
   7 pub struct Ident(String);
   8
   9 impl Ident {
  10     pub fn new<T: Into<Ident>>(t: T) -> Self {
  11         t.into()
  12     }
  13 }
  14
  15 impl<'a> From<&'a str> for Ident {
  16     fn from(s: &str) -> Self {
  17         Ident(s.to_owned())
  18     }
  19 }
  20
  21 impl<'a> From<Cow<'a, str>> for Ident {
  22     fn from(s: Cow<'a, str>) -> Self {
  23         Ident(s.into_owned())
  24     }
  25 }
  26
  27 impl From<String> for Ident {
  28     fn from(s: String) -> Self {
  29         Ident(s)
  30     }
  31 }
  32
  33 impl AsRef<str> for Ident {
  34     fn as_ref(&self) -> &str {
  35         &self.0
  36     }
  37 }
  38
  39 impl fmt::Display for Ident {
  40     fn fmt(&self, formatter: &mut fmt::Formatter) -> Result<(), fmt::Error> {
  41         self.0.fmt(formatter)
  42     }
  43 }
  44
  45 impl<T: ?Sized> PartialEq<T> for Ident
  46     where T: AsRef<str>
  47 {
  48     fn eq(&self, other: &T) -> bool {
  49         self.0 == other.as_ref()
  50     }
  51 }
  52
  53 impl ToTokens for Ident {
  54     fn to_tokens(&self, tokens: &mut Tokens) {
  55         tokens.append(self.as_ref())
  56     }
  57 }