2 files changed, 0 insertions, 47 deletions
diff --git a/syn-mid/examples/const_fn/Cargo.toml b/syn-mid/examples/const_fn/Cargo.toml
deleted file mode 100644
index d823e76..0000000
--- a/syn-mid/examples/const_fn/Cargo.toml
+++ /dev/null
@@ -1,16 +0,0 @@
-[package]
-name = "const_fn"
-version = "0.0.0"
-authors = ["Taiki Endo <te316e89@gmail.com>"]
-edition = "2018"
-publish = false
-
-[lib]
-proc-macro = true
-path = "lib.rs"
-
-[dependencies]
-proc-macro2 = "1.0"
-quote = "1.0"
-syn = "1.0"
-syn-mid = { version = "0.4", path = "../..", features = ["clone-impls"] }
diff --git a/syn-mid/examples/const_fn/lib.rs b/syn-mid/examples/const_fn/lib.rs
deleted file mode 100644
index 29255f2..0000000
--- a/syn-mid/examples/const_fn/lib.rs
+++ /dev/null
@@ -1,31 +0,0 @@
-#![warn(rust_2018_idioms)]
-
-extern crate proc_macro;
-
-use proc_macro::TokenStream;
-use proc_macro2::TokenStream as TokenStream2;
-use quote::quote;
-use syn_mid::ItemFn;
-
-/// An attribute for easy generation of a const function with conditional compilations.
-#[proc_macro_attribute]
-pub fn const_fn(args: TokenStream, function: TokenStream) -> TokenStream {
-    assert!(!args.is_empty(), "requires an argument");
-
-    let mut function = syn::parse_macro_input!(function as ItemFn);
-    let mut const_function = function.clone();
-
-    if function.constness.is_some() {
-        function.constness = None;
-    } else {
-        const_function.constness = Some(Default::default());
-    }
-
-    let args = TokenStream2::from(args);
-    TokenStream::from(quote! {
-        #[cfg(not(#args))]
-        #function
-        #[cfg(#args)]
-        #const_function
-    })
-}