very elegant extension API and parts of it used in std as POC

Cargo.lock

@@ -42,6 +42,12 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "const_panic"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6051f239ecec86fde3410901ab7860d458d160371533842974fc61f96d15879b"
+
 [[package]]
 name = "convert_case"
 version = "0.4.0"
@@ -193,13 +199,40 @@ checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
 
 [[package]]
 name = "itertools"
-version = "0.12.1"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba291022dbbd398a455acf126c1e341954079855bc60dfdda641363bd6922569"
+checksum = "413ee7dfc52ee1a4949ceeb7dbc8a33f2d6c088194d9f922fb8318faf1f01186"
 dependencies = [
  "either",
 ]
 
+[[package]]
+name = "konst"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50a0ba6de5f7af397afff922f22c149ff605c766cd3269cf6c1cd5e466dbe3b9"
+dependencies = [
+ "const_panic",
+ "konst_kernel",
+ "konst_proc_macros",
+ "typewit",
+]
+
+[[package]]
+name = "konst_kernel"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "be0a455a1719220fd6adf756088e1c69a85bf14b6a9e24537a5cc04f503edb2b"
+dependencies = [
+ "typewit",
+]
+
+[[package]]
+name = "konst_proc_macros"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4e28ab1dc35e09d60c2b8c90d12a9a8d9666c876c10a3739a3196db0103b6043"
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -288,13 +321,17 @@ version = "0.1.0"
 dependencies = [
  "ahash",
  "derive_destructure",
+ "dyn-clone",
  "hashbrown",
  "itertools",
+ "konst",
  "never",
  "orchid-api",
+ "orchid-api-derive",
  "orchid-api-traits",
  "orchid-base",
  "ordered-float",
+ "paste",
  "substack",
  "trait-set",
  "typeid",
@@ -317,6 +354,14 @@ dependencies = [
 [[package]]
 name = "orchid-std"
 version = "0.1.0"
+dependencies = [
+ "itertools",
+ "orchid-api",
+ "orchid-api-derive",
+ "orchid-api-traits",
+ "orchid-base",
+ "orchid-extension",
+]
 
 [[package]]
 name = "orcx"
@@ -331,6 +376,12 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "paste"
+version = "1.0.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
+
 [[package]]
 name = "proc-macro2"
 version = "0.4.30"
@@ -508,6 +559,21 @@ version = "1.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
 
+[[package]]
+name = "typewit"
+version = "1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c6fb9ae6a3cafaf0a5d14c2302ca525f9ae8e07a0f0e6949de88d882c37a6e24"
+dependencies = [
+ "typewit_proc_macros",
+]
+
+[[package]]
+name = "typewit_proc_macros"
+version = "1.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e36a83ea2b3c704935a01b4642946aadd445cea40b10935e3f8bd8052b8193d6"
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.12"