first commit, derive macro project setup
This commit is contained in:
Sander Hautvast
commit
163c0fc4fb
8 changed files with 271 additions and 0 deletions
1
.gitignore
vendored
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1
.gitignore
vendored
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@ -0,0 +1 @@
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/target
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106
Cargo.lock
generated
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106
Cargo.lock
generated
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@ -0,0 +1,106 @@
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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[[package]]
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name = "darling"
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version = "0.13.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "757c0ded2af11d8e739c4daea1ac623dd1624b06c844cf3f5a39f1bdbd99bb12"
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dependencies = [
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"darling_core",
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"darling_macro",
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]
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[[package]]
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name = "darling_core"
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version = "0.13.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2c34d8efb62d0c2d7f60ece80f75e5c63c1588ba68032740494b0b9a996466e3"
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dependencies = [
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"fnv",
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"ident_case",
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"proc-macro2",
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"quote",
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"strsim",
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"syn",
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]
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[[package]]
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name = "darling_macro"
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version = "0.13.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ade7bff147130fe5e6d39f089c6bd49ec0250f35d70b2eebf72afdfc919f15cc"
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dependencies = [
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"darling_core",
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"quote",
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"syn",
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]
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[[package]]
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name = "derive-mytrait"
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version = "0.1.0"
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dependencies = [
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"mytrait-derive",
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]
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[[package]]
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name = "fnv"
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version = "1.0.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
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[[package]]
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name = "ident_case"
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version = "1.0.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
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[[package]]
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name = "mytrait-derive"
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version = "0.1.0"
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dependencies = [
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"darling",
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"proc-macro2",
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"quote",
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"syn",
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]
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[[package]]
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name = "proc-macro2"
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version = "1.0.27"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f0d8caf72986c1a598726adc988bb5984792ef84f5ee5aa50209145ee8077038"
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dependencies = [
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"unicode-xid",
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]
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[[package]]
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name = "quote"
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version = "1.0.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c3d0b9745dc2debf507c8422de05d7226cc1f0644216dfdfead988f9b1ab32a7"
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dependencies = [
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"proc-macro2",
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]
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[[package]]
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name = "strsim"
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version = "0.10.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
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[[package]]
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name = "syn"
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version = "1.0.72"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a1e8cdbefb79a9a5a65e0db8b47b723ee907b7c7f8496c76a1770b5c310bab82"
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dependencies = [
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"proc-macro2",
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"quote",
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"unicode-xid",
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]
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[[package]]
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name = "unicode-xid"
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version = "0.2.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
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10
Cargo.toml
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10
Cargo.toml
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[package]
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name = "derive-mytrait"
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version = "0.1.0"
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authors = ["imbolc <me@imbolc.name>"]
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edition = "2018"
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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[dependencies]
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mytrait-derive = { path = "mytrait-derive" }
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1
README.md
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1
README.md
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@ -0,0 +1 @@
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for now a starter with a derive macro
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99
mytrait-derive/Cargo.lock
generated
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99
mytrait-derive/Cargo.lock
generated
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@ -0,0 +1,99 @@
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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[[package]]
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name = "darling"
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version = "0.13.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "757c0ded2af11d8e739c4daea1ac623dd1624b06c844cf3f5a39f1bdbd99bb12"
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dependencies = [
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"darling_core",
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"darling_macro",
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]
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[[package]]
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name = "darling_core"
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version = "0.13.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2c34d8efb62d0c2d7f60ece80f75e5c63c1588ba68032740494b0b9a996466e3"
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dependencies = [
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"fnv",
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"ident_case",
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"proc-macro2",
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"quote",
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"strsim",
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"syn",
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]
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[[package]]
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name = "darling_macro"
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version = "0.13.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ade7bff147130fe5e6d39f089c6bd49ec0250f35d70b2eebf72afdfc919f15cc"
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dependencies = [
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"darling_core",
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"quote",
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"syn",
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]
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[[package]]
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name = "fnv"
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version = "1.0.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
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[[package]]
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name = "ident_case"
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version = "1.0.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
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[[package]]
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name = "mytrait-derive"
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version = "0.1.0"
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dependencies = [
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"darling",
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"proc-macro2",
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"quote",
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"syn",
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]
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[[package]]
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name = "proc-macro2"
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version = "1.0.27"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f0d8caf72986c1a598726adc988bb5984792ef84f5ee5aa50209145ee8077038"
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dependencies = [
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"unicode-xid",
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]
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[[package]]
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name = "quote"
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version = "1.0.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c3d0b9745dc2debf507c8422de05d7226cc1f0644216dfdfead988f9b1ab32a7"
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dependencies = [
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"proc-macro2",
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]
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[[package]]
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name = "strsim"
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version = "0.10.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
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[[package]]
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name = "syn"
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version = "1.0.72"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a1e8cdbefb79a9a5a65e0db8b47b723ee907b7c7f8496c76a1770b5c310bab82"
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dependencies = [
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"proc-macro2",
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"quote",
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"unicode-xid",
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]
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[[package]]
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name = "unicode-xid"
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version = "0.2.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
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14
mytrait-derive/Cargo.toml
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14
mytrait-derive/Cargo.toml
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[package]
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name = "mytrait-derive"
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version = "0.1.0"
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authors = ["imbolc <me@imbolc.name>"]
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edition = "2018"
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[lib]
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proc-macro = true
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[dependencies]
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darling = "0.13"
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proc-macro2 = "1.0"
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quote = "1.0"
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syn = { version = "1.0", features = ["full"] }
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20
mytrait-derive/src/lib.rs
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20
mytrait-derive/src/lib.rs
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use darling::FromDeriveInput;
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use proc_macro::{self, TokenStream};
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use quote::quote;
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use syn::{parse_macro_input, DeriveInput};
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#[proc_macro_derive(MyTrait)]
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pub fn derive(input: TokenStream) -> TokenStream {
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let input = parse_macro_input!(input);
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let DeriveInput { ident, .. } = input;
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let output = quote! {
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impl MyTrait for #ident {
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fn answer() -> i32 {
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42
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}
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}
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};
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output.into()
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}
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20
src/lib.rs
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20
src/lib.rs
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use mytrait_derive::MyTrait;
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trait MyTrait {
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fn answer() -> i32 {
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42
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}
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}
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#[derive(MyTrait)]
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struct Foo;
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// impl MyTrait for Foo{
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// }
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#[test]
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fn default() {
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assert_eq!(Foo::answer(), 42);
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}
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