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authorDaniel Mueller <deso@posteo.net>2019-01-02 21:14:10 -0800
committerDaniel Mueller <deso@posteo.net>2019-01-02 21:14:10 -0800
commitecf3474223ca3d16a10f12dc2272e3b0ed72c1bb (patch)
tree03134a683791176b49ef5c92e8d6acd24c3b5a9b /rand/rand-derive/src/lib.rs
parent686f61b75055ecb02baf9d9449525ae447a3bed1 (diff)
downloadnitrocli-ecf3474223ca3d16a10f12dc2272e3b0ed72c1bb.tar.gz
nitrocli-ecf3474223ca3d16a10f12dc2272e3b0ed72c1bb.tar.bz2
Update nitrokey crate to 0.2.3
This change updates the nitrokey crate to version 0.2.3. This version bumps the rand crate used to 0.6.1, which in turn requires an additional set of dependencies. Import subrepo nitrokey/:nitrokey at b3e2adc5bb1300441ca74cc7672617c042f3ea31 Import subrepo rand/:rand at 73613ff903512e9503e41cc8ba9eae76269dc598 Import subrepo rustc_version/:rustc_version at 0294f2ba2018bf7be672abd53db351ce5055fa02 Import subrepo semver-parser/:semver-parser at 750da9b11a04125231b1fb293866ca036845acee Import subrepo semver/:semver at 5eb6db94fa03f4d5c64a625a56188f496be47598
Diffstat (limited to 'rand/rand-derive/src/lib.rs')
-rw-r--r--rand/rand-derive/src/lib.rs116
1 files changed, 0 insertions, 116 deletions
diff --git a/rand/rand-derive/src/lib.rs b/rand/rand-derive/src/lib.rs
deleted file mode 100644
index 80c803a..0000000
--- a/rand/rand-derive/src/lib.rs
+++ /dev/null
@@ -1,116 +0,0 @@
-//! Support for `#[derive(Rand)]`
-//!
-//! # Examples
-//!
-//! ```
-//! extern crate rand;
-//! #[macro_use]
-//! extern crate rand_derive;
-//!
-//! #[derive(Rand, Debug)]
-//! struct MyStruct {
-//! a: i32,
-//! b: u32,
-//! }
-//!
-//! fn main() {
-//! println!("{:?}", rand::random::<MyStruct>());
-//! }
-//! ```
-
-extern crate proc_macro;
-#[macro_use]
-extern crate quote;
-extern crate syn;
-
-use proc_macro::TokenStream;
-
-#[proc_macro_derive(Rand)]
-pub fn rand_derive(input: TokenStream) -> TokenStream {
- let s = input.to_string();
- let ast = syn::parse_derive_input(&s).unwrap();
- let gen = impl_rand_derive(&ast);
- gen.parse().unwrap()
-}
-
-fn impl_rand_derive(ast: &syn::MacroInput) -> quote::Tokens {
- let name = &ast.ident;
- let (impl_generics, ty_generics, where_clause) = ast.generics.split_for_impl();
-
- let rand = match ast.body {
- syn::Body::Struct(syn::VariantData::Struct(ref body)) => {
- let fields = body
- .iter()
- .filter_map(|field| field.ident.as_ref())
- .map(|ident| quote! { #ident: __rng.gen() })
- .collect::<Vec<_>>();
-
- quote! { #name { #(#fields,)* } }
- },
- syn::Body::Struct(syn::VariantData::Tuple(ref body)) => {
- let fields = (0..body.len())
- .map(|_| quote! { __rng.gen() })
- .collect::<Vec<_>>();
-
- quote! { #name (#(#fields),*) }
- },
- syn::Body::Struct(syn::VariantData::Unit) => {
- quote! { #name }
- },
- syn::Body::Enum(ref body) => {
- if body.is_empty() {
- panic!("`Rand` cannot be derived for enums with no variants");
- }
-
- let len = body.len();
- let mut arms = body
- .iter()
- .map(|variant| {
- let ident = &variant.ident;
- match variant.data {
- syn::VariantData::Struct(ref body) => {
- let fields = body
- .iter()
- .filter_map(|field| field.ident.as_ref())
- .map(|ident| quote! { #ident: __rng.gen() })
- .collect::<Vec<_>>();
- quote! { #name::#ident { #(#fields,)* } }
- },
- syn::VariantData::Tuple(ref body) => {
- let fields = (0..body.len())
- .map(|_| quote! { __rng.gen() })
- .collect::<Vec<_>>();
-
- quote! { #name::#ident (#(#fields),*) }
- },
- syn::VariantData::Unit => quote! { #name::#ident }
- }
- });
-
- match len {
- 1 => quote! { #(#arms)* },
- 2 => {
- let (a, b) = (arms.next(), arms.next());
- quote! { if __rng.gen() { #a } else { #b } }
- },
- _ => {
- let mut variants = arms
- .enumerate()
- .map(|(index, arm)| quote! { #index => #arm })
- .collect::<Vec<_>>();
- variants.push(quote! { _ => unreachable!() });
- quote! { match __rng.gen_range(0, #len) { #(#variants,)* } }
- },
- }
- }
- };
-
- quote! {
- impl #impl_generics ::rand::Rand for #name #ty_generics #where_clause {
- #[inline]
- fn rand<__R: ::rand::Rng>(__rng: &mut __R) -> Self {
- #rand
- }
- }
- }
-}