commit 163c0fc4fb4c5b040cfadbca18fe4165b4cd4f56
Author: Sander Hautvast <shautvast@gmail.com>
Date:   Tue Mar 22 08:07:14 2022 +0100

    first commit, derive macro project setup

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..f9339f8
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,106 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "darling"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "757c0ded2af11d8e739c4daea1ac623dd1624b06c844cf3f5a39f1bdbd99bb12"
+dependencies = [
+ "darling_core",
+ "darling_macro",
+]
+
+[[package]]
+name = "darling_core"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c34d8efb62d0c2d7f60ece80f75e5c63c1588ba68032740494b0b9a996466e3"
+dependencies = [
+ "fnv",
+ "ident_case",
+ "proc-macro2",
+ "quote",
+ "strsim",
+ "syn",
+]
+
+[[package]]
+name = "darling_macro"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ade7bff147130fe5e6d39f089c6bd49ec0250f35d70b2eebf72afdfc919f15cc"
+dependencies = [
+ "darling_core",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "derive-mytrait"
+version = "0.1.0"
+dependencies = [
+ "mytrait-derive",
+]
+
+[[package]]
+name = "fnv"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
+
+[[package]]
+name = "ident_case"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
+
+[[package]]
+name = "mytrait-derive"
+version = "0.1.0"
+dependencies = [
+ "darling",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0d8caf72986c1a598726adc988bb5984792ef84f5ee5aa50209145ee8077038"
+dependencies = [
+ "unicode-xid",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c3d0b9745dc2debf507c8422de05d7226cc1f0644216dfdfead988f9b1ab32a7"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "strsim"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+
+[[package]]
+name = "syn"
+version = "1.0.72"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1e8cdbefb79a9a5a65e0db8b47b723ee907b7c7f8496c76a1770b5c310bab82"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-xid",
+]
+
+[[package]]
+name = "unicode-xid"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..3e1ad8f
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "derive-mytrait"
+version = "0.1.0"
+authors = ["imbolc <me@imbolc.name>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+mytrait-derive = { path = "mytrait-derive" }
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..9cc4b12
--- /dev/null
+++ b/README.md
@@ -0,0 +1 @@
+for now a starter with a derive macro
\ No newline at end of file
diff --git a/mytrait-derive/Cargo.lock b/mytrait-derive/Cargo.lock
new file mode 100644
index 0000000..afe2f53
--- /dev/null
+++ b/mytrait-derive/Cargo.lock
@@ -0,0 +1,99 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "darling"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "757c0ded2af11d8e739c4daea1ac623dd1624b06c844cf3f5a39f1bdbd99bb12"
+dependencies = [
+ "darling_core",
+ "darling_macro",
+]
+
+[[package]]
+name = "darling_core"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c34d8efb62d0c2d7f60ece80f75e5c63c1588ba68032740494b0b9a996466e3"
+dependencies = [
+ "fnv",
+ "ident_case",
+ "proc-macro2",
+ "quote",
+ "strsim",
+ "syn",
+]
+
+[[package]]
+name = "darling_macro"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ade7bff147130fe5e6d39f089c6bd49ec0250f35d70b2eebf72afdfc919f15cc"
+dependencies = [
+ "darling_core",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "fnv"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
+
+[[package]]
+name = "mytrait-derive"
+version = "0.1.0"
+dependencies = [
+ "darling",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0d8caf72986c1a598726adc988bb5984792ef84f5ee5aa50209145ee8077038"
+dependencies = [
+ "unicode-xid",
+]
+
+[[package]]
+name = "quote"
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+checksum = "c3d0b9745dc2debf507c8422de05d7226cc1f0644216dfdfead988f9b1ab32a7"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "strsim"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+
+[[package]]
+name = "syn"
+version = "1.0.72"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1e8cdbefb79a9a5a65e0db8b47b723ee907b7c7f8496c76a1770b5c310bab82"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-xid",
+]
+
+[[package]]
+name = "unicode-xid"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
diff --git a/mytrait-derive/Cargo.toml b/mytrait-derive/Cargo.toml
new file mode 100644
index 0000000..1c8bc75
--- /dev/null
+++ b/mytrait-derive/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "mytrait-derive"
+version = "0.1.0"
+authors = ["imbolc <me@imbolc.name>"]
+edition = "2018"
+
+[lib]
+proc-macro = true
+
+[dependencies]
+darling = "0.13"
+proc-macro2 = "1.0"
+quote = "1.0"
+syn = { version = "1.0", features = ["full"] }
diff --git a/mytrait-derive/src/lib.rs b/mytrait-derive/src/lib.rs
new file mode 100644
index 0000000..cf6b58e
--- /dev/null
+++ b/mytrait-derive/src/lib.rs
@@ -0,0 +1,20 @@
+use darling::FromDeriveInput;
+use proc_macro::{self, TokenStream};
+use quote::quote;
+use syn::{parse_macro_input, DeriveInput};
+
+#[proc_macro_derive(MyTrait)]
+pub fn derive(input: TokenStream) -> TokenStream {
+    let input = parse_macro_input!(input);
+    
+    let DeriveInput { ident, .. } = input;
+
+    let output = quote! {
+        impl MyTrait for #ident {
+            fn answer() -> i32 {
+                42
+            }
+        }
+    };
+    output.into()
+}
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..608cc74
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,20 @@
+use mytrait_derive::MyTrait;
+
+trait MyTrait {
+    fn answer() -> i32 {
+        42
+    }
+}
+
+#[derive(MyTrait)]
+struct Foo;
+
+// impl MyTrait for Foo{
+
+// }
+
+#[test]
+fn default() {
+    assert_eq!(Foo::answer(), 42);
+}
+