Add collections crate

.github/workflows/main.yml

@@ -8,9 +8,9 @@ on:
 
 env:
   JS_PACKAGES: "['type-length-value-js']"
-  SBPF_PROGRAM_PACKAGES: "['discriminator', 'generic-token', 'list-view', 'pod', 'program-error', 'tlv-account-resolution', 'type-length-value']"
-  RUST_PACKAGES: "['discriminator', 'discriminator-derive', 'discriminator-syn', 'generic-token', 'generic-token-tests', 'list-view', 'pod', 'program-error', 'program-error-derive', 'tlv-account-resolution', 'type-length-value', 'type-length-value-derive', 'type-length-value-derive-test']"
-  WASM_PACKAGES: "['discriminator', 'generic-token', 'list-view', 'pod', 'program-error', 'tlv-account-resolution', 'type-length-value']"
+  SBPF_PROGRAM_PACKAGES: "['collections', 'discriminator', 'generic-token', 'list-view', 'pod', 'program-error', 'tlv-account-resolution', 'type-length-value']"
+  RUST_PACKAGES: "['collections', 'discriminator', 'discriminator-derive', 'discriminator-syn', 'generic-token', 'generic-token-tests', 'list-view', 'pod', 'program-error', 'program-error-derive', 'tlv-account-resolution', 'type-length-value', 'type-length-value-derive', 'type-length-value-derive-test']"
+  WASM_PACKAGES: "['collections', 'discriminator', 'generic-token', 'list-view', 'pod', 'program-error', 'tlv-account-resolution', 'type-length-value']"
 
 jobs:
   set_env:

.github/workflows/publish-rust.yml

@@ -9,6 +9,7 @@ on:
         default: 'discriminator'
         type: choice
         options:
+          - collections
           - discriminator
           - discriminator-derive
           - discriminator-syn

Cargo.toml

@@ -1,6 +1,7 @@
 [workspace]
 resolver = "2"
 members = [
+  "collections",
   "discriminator",
   "discriminator-derive",
   "discriminator-syn",

collections/Cargo.toml

@@ -0,0 +1,27 @@
+[package]
+name = "spl-collections"
+version = "0.0.0"
+description = "Serialization-aware collection wrappers for Solana account data"
+authors = ["Anza Maintainers <maintainers@anza.xyz>"]
+repository = "https://github.com/solana-program/libraries"
+license = "Apache-2.0"
+edition = "2021"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+all-features = true
+rustdoc-args = ["--cfg=docsrs"]
+
+[features]
+borsh = ["dep:borsh"]
+wincode = ["dep:wincode"]
+
+[dependencies]
+borsh = { version = "1.0", features = ["derive"], default-features = false, optional = true }
+wincode = { version = "0.4.4", features = ["alloc", "derive"], default-features = false, optional = true }
+
+[dev-dependencies]
+spl-collections = { path = ".", features = ["borsh", "wincode"] }
+
+[lib]
+crate-type = ["lib"]

collections/src/lib.rs

@@ -0,0 +1,16 @@
+//! Serialization-aware collection wrappers for Solana account data.
+//!
+//! This crate provides wrappers around collection types to support custom serialization
+//! logic. This is useful for programs that have specific requirements for how data is
+//! stored.
+
+#![no_std]
+#![cfg_attr(docsrs, feature(doc_cfg))]
+
+extern crate alloc;
+
+mod str;
+mod vec;
+
+pub use str::*;
+pub use vec::*;