var Component=(()=>{var m=Object.create;var i=Object.defineProperty;var p=Object.getOwnPropertyDescriptor;var u=Object.getOwnPropertyNames;var g=Object.getPrototypeOf,N=Object.prototype.hasOwnProperty;var k=(a,e)=>()=>(e||a((e={exports:{}}).exports,e),e.exports),b=(a,e)=>{for(var l in e)i(a,l,{get:e[l],enumerable:!0})},r=(a,e,l,s)=>{if(e&&typeof e=="object"||typeof e=="function")for(let c of u(e))!N.call(a,c)&&c!==l&&i(a,c,{get:()=>e[c],enumerable:!(s=p(e,c))||s.enumerable});return a};var y=(a,e,l)=>(l=a!=null?m(g(a)):{},r(e||!a||!a.__esModule?i(l,"default",{value:a,enumerable:!0}):l,a)),f=a=>r(i({},"__esModule",{value:!0}),a);var o=k((C,t)=>{t.exports=_jsx_runtime});var v={};b(v,{default:()=>h,frontmatter:()=>w});var n=y(o()),w={title:"Rust Development Environment",date:"2025-05-20",language:"en",series:{order:1,title:"rust"},tags:["rust","swc","mono repo"],authors:["default"],featured:!0,images:["/static/images/twitter-card.png"],summary:"Discover how to set up a Rust development environment, manage projects with Cargo and workspaces, write tests, and publish your crates."};function d(a){let e={a:"a",code:"code",h2:"h2",h3:"h3",li:"li",ol:"ol",p:"p",pre:"pre",span:"span",strong:"strong",table:"table",tbody:"tbody",td:"td",th:"th",thead:"thead",tr:"tr",ul:"ul",...a.components};return(0,n.jsxs)(n.Fragment,{children:[(0,n.jsx)(e.p,{children:"Rustup is a tool for managing Rust versions and associated tools. This guide will walk you through setting up your Rust development environment, understanding core tools, developing packages, testing, and publishing."}),(0,n.jsx)(e.h2,{id:"-core-components-of-the-rust-toolchain",children:"\u{1F980} Core Components of the Rust Toolchain"}),(0,n.jsx)(e.h3,{id:"1-rustc--the-rust-compiler",children:"1. rustc \u2014 The Rust Compiler"}),(0,n.jsxs)(e.ul,{children:[(0,n.jsx)(e.li,{children:"Purpose: Compiles Rust source code into executable files or libraries."}),(0,n.jsx)(e.li,{children:"Usage:"})]}),(0,n.jsx)(e.pre,{className:"language-bash",children:(0,n.jsx)(e.code,{className:"language-bash code-highlight",children:(0,n.jsx)(e.span,{className:"code-line line-number",line:"1",children:`rustc main.rs `})})}),(0,n.jsxs)(e.p,{children:["This will compile ",(0,n.jsx)(e.code,{children:"main.rs"})," into a binary executable file named ",(0,n.jsx)(e.code,{children:"main"})," (or ",(0,n.jsx)(e.code,{children:"main.exe"})," on Windows)."]}),(0,n.jsx)(e.ul,{children:(0,n.jsxs)(e.li,{children:["Features:",(0,n.jsxs)(e.ul,{children:[(0,n.jsxs)(e.li,{children:[(0,n.jsx)(e.strong,{children:"Strong type system and ownership model"}),": Catches many errors at compile time."]}),(0,n.jsxs)(e.li,{children:[(0,n.jsx)(e.strong,{children:"High performance"}),": Compiled artifacts typically have performance comparable to C/C++."]}),(0,n.jsxs)(e.li,{children:[(0,n.jsx)(e.strong,{children:"Memory safety"}),": Guarantees memory safety without a garbage collector."]}),(0,n.jsx)(e.li,{children:"Supports static linking (by default, generates executables without external Rust runtime dependencies)."}),(0,n.jsxs)(e.li,{children:["Supports ",(0,n.jsx)(e.code,{children:"--emit"})," to output intermediate artifacts (like LLVM IR, ASM, etc.)."]})]})]})}),(0,n.jsx)(e.h3,{id:"2-cargo--rust-package-manager-and-build-system",children:"2. 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`]}),(0,n.jsxs)(e.span,{className:"code-line line-number",line:"8",children:[(0,n.jsx)(e.span,{className:"token comment",children:"# }"}),` `]}),(0,n.jsx)(e.span,{className:"code-line line-number",line:"9",children:` `}),(0,n.jsxs)(e.span,{className:"code-line line-number",line:"10",children:[(0,n.jsx)(e.span,{className:"token comment",children:"# Compile and run"}),` `]}),(0,n.jsxs)(e.span,{className:"code-line line-number",line:"11",children:[(0,n.jsx)(e.span,{className:"token function",children:"cargo"}),` run `]})]})}),(0,n.jsx)(e.ul,{children:(0,n.jsxs)(e.li,{children:["Features:",(0,n.jsxs)(e.ul,{children:[(0,n.jsxs)(e.li,{children:[(0,n.jsx)(e.strong,{children:"Convention over configuration"}),": Follows a standard project structure (e.g., ",(0,n.jsx)(e.code,{children:"src/main.rs"}),", ",(0,n.jsx)(e.code,{children:"src/lib.rs"}),", ",(0,n.jsx)(e.code,{children:"Cargo.toml"}),")."]}),(0,n.jsxs)(e.li,{children:[(0,n.jsx)(e.strong,{children:"Integrated build system"}),": Handles all aspects like compilation, testing, dependency management, etc."]}),(0,n.jsxs)(e.li,{children:[(0,n.jsx)(e.strong,{children:"Reproducible builds"}),": The ",(0,n.jsx)(e.code,{children:"Cargo.lock"})," file ensures that the same versions of dependencies are used for every build."]}),(0,n.jsxs)(e.li,{children:[(0,n.jsxs)(e.strong,{children:["Supports publishing to ",(0,n.jsx)(e.code,{children:"crates.io"})]}),": Rust's official package registry."]})]})]})}),(0,n.jsx)(e.h3,{id:"3-rustup--rust-toolchain-installer-and-manager",children:"3. rustup \u2014 Rust Toolchain Installer and Manager"}),(0,n.jsxs)(e.ul,{children:[(0,n.jsxs)(e.li,{children:[(0,n.jsx)(e.p,{children:"Purpose:"}),(0,n.jsxs)(e.ul,{children:[(0,n.jsxs)(e.li,{children:[(0,n.jsx)(e.strong,{children:"Installing Rust"}),": Includes core components like ",(0,n.jsx)(e.code,{children:"rustc"})," (compiler), ",(0,n.jsx)(e.code,{children:"cargo"})," (package manager), ",(0,n.jsx)(e.code,{children:"rust-std"})," (standard 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Compilation is fast, includes debugging information, and is not heavily optimized."]})]}),(0,n.jsxs)(e.li,{children:[(0,n.jsxs)(e.p,{children:[(0,n.jsx)(e.strong,{children:"Release Build"}),":"]}),(0,n.jsx)(e.pre,{className:"language-bash",children:(0,n.jsx)(e.code,{className:"language-bash code-highlight",children:(0,n.jsxs)(e.span,{className:"code-line line-number",line:"1",children:[(0,n.jsx)(e.span,{className:"token function",children:"cargo"})," build ",(0,n.jsx)(e.span,{className:"token parameter variable",children:"--release"}),` `]})})}),(0,n.jsxs)(e.p,{children:["Artifacts are located in the ",(0,n.jsx)(e.code,{children:"target/release/"})," directory. Compilation is slower, heavily optimized, and suitable for deployment."]})]})]}),(0,n.jsx)(e.h3,{id:"publishing-to-cratesio",children:"Publishing to crates.io"}),(0,n.jsxs)(e.p,{children:[(0,n.jsx)(e.code,{children:"crates.io"})," is the Rust community's official package registry."]}),(0,n.jsxs)(e.ol,{children:[(0,n.jsx)(e.li,{children:(0,n.jsxs)(e.p,{children:[(0,n.jsx)(e.strong,{children:"Create an Account"}),": Visit ",(0,n.jsx)(e.a,{href:"https://crates.io/",children:"crates.io"})," and log in using your GitHub account."]})}),(0,n.jsx)(e.li,{children:(0,n.jsxs)(e.p,{children:[(0,n.jsx)(e.strong,{children:"Get API Token"}),": In your Account Settings page, find API access and generate a new token."]})}),(0,n.jsxs)(e.li,{children:[(0,n.jsxs)(e.p,{children:[(0,n.jsx)(e.strong,{children:"Login to Cargo"}),":"]}),(0,n.jsx)(e.pre,{className:"language-bash",children:(0,n.jsx)(e.code,{className:"language-bash code-highlight",children:(0,n.jsxs)(e.span,{className:"code-line line-number",line:"1",children:[(0,n.jsx)(e.span,{className:"token function",children:"cargo"})," login ",(0,n.jsx)(e.span,{className:"token operator",children:"<"}),"your_api_token",(0,n.jsx)(e.span,{className:"token operator",children:">"}),` `]})})}),(0,n.jsxs)(e.p,{children:["This will save the token in ",(0,n.jsx)(e.code,{children:"~/.cargo/credentials.toml"}),"."]})]}),(0,n.jsxs)(e.li,{children:[(0,n.jsxs)(e.p,{children:[(0,n.jsx)(e.strong,{children:"Prepare Your Crate"}),":"]}),(0,n.jsxs)(e.ul,{children:[(0,n.jsxs)(e.li,{children:["Ensure the metadata in ",(0,n.jsx)(e.code,{children:"Cargo.toml"})," is complete and accurate (name, version, authors, description, license, repository, readme, keywords, categories)."]}),(0,n.jsxs)(e.li,{children:[(0,n.jsx)(e.strong,{children:"Version Number"}),": Follow Semantic Versioning (SemVer). Increment the version number before each new release."]}),(0,n.jsxs)(e.li,{children:[(0,n.jsx)(e.strong,{children:"Documentation"}),": Good documentation is important. Use ",(0,n.jsx)(e.code,{children:"cargo doc --open"})," to check."]}),(0,n.jsxs)(e.li,{children:[(0,n.jsx)(e.strong,{children:"Testing"}),": Ensure all tests pass (",(0,n.jsx)(e.code,{children:"cargo test"}),")."]})]})]}),(0,n.jsxs)(e.li,{children:[(0,n.jsxs)(e.p,{children:[(0,n.jsx)(e.strong,{children:"Package Check (Optional but Recommended)"}),":"]}),(0,n.jsx)(e.pre,{className:"language-bash",children:(0,n.jsx)(e.code,{className:"language-bash code-highlight",children:(0,n.jsxs)(e.span,{className:"code-line line-number",line:"1",children:[(0,n.jsx)(e.span,{className:"token function",children:"cargo"}),` package `]})})}),(0,n.jsxs)(e.p,{children:["This creates a ",(0,n.jsx)(e.code,{children:".crate"})," file (located in ",(0,n.jsx)(e.code,{children:"target/package/"}),") and performs some pre-publishing checks. You can unpack this file (",(0,n.jsx)(e.code,{children:"tar -xzf -.crate"}),") to see what files are included in the package and ensure no unnecessary content is included. If you want to exclude certain files or directories from packaging, you can create a ",(0,n.jsx)(e.code,{children:".gitignore"})," file (if using Git) or a ",(0,n.jsx)(e.code,{children:".cargoignore"})," file in the project root."]})]}),(0,n.jsxs)(e.li,{children:[(0,n.jsxs)(e.p,{children:[(0,n.jsx)(e.strong,{children:"Publish"}),":"]}),(0,n.jsx)(e.pre,{className:"language-bash",children:(0,n.jsx)(e.code,{className:"language-bash code-highlight",children:(0,n.jsxs)(e.span,{className:"code-line line-number",line:"1",children:[(0,n.jsx)(e.span,{className:"token function",children:"cargo"}),` publish `]})})}),(0,n.jsxs)(e.p,{children:["Cargo will build your package and upload it to ",(0,n.jsx)(e.code,{children:"crates.io"}),"."]}),(0,n.jsxs)(e.p,{children:[(0,n.jsx)(e.strong,{children:"Note"}),":"]}),(0,n.jsxs)(e.ul,{children:[(0,n.jsxs)(e.li,{children:["Once a specific version of a crate is published, that version cannot be overwritten or deleted (but you can ",(0,n.jsx)(e.code,{children:"cargo yank"})," it to prevent new projects from depending on it)."]}),(0,n.jsxs)(e.li,{children:["Package names are unique on ",(0,n.jsx)(e.code,{children:"crates.io"}),"."]})]})]})]}),(0,n.jsx)(e.h3,{id:"publishing-to-npm-usually-for-webassembly",children:"Publishing to npm (Usually for WebAssembly)"}),(0,n.jsxs)(e.p,{children:["Compiling Rust code to WebAssembly (Wasm) and publishing to npm is typically done using the ",(0,n.jsx)(e.code,{children:"wasm-pack"})," tool."]}),(0,n.jsxs)(e.ol,{children:[(0,n.jsxs)(e.li,{children:[(0,n.jsxs)(e.p,{children:[(0,n.jsxs)(e.strong,{children:["Install ",(0,n.jsx)(e.code,{children:"wasm-pack"})]}),":"]}),(0,n.jsx)(e.pre,{className:"language-bash",children:(0,n.jsx)(e.code,{className:"language-bash code-highlight",children:(0,n.jsxs)(e.span,{className:"code-line line-number",line:"1",children:[(0,n.jsx)(e.span,{className:"token function",children:"cargo"})," ",(0,n.jsx)(e.span,{className:"token function",children:"install"}),` wasm-pack `]})})})]}),(0,n.jsxs)(e.li,{children:[(0,n.jsxs)(e.p,{children:[(0,n.jsx)(e.strong,{children:"Project Configuration"}),":"]}),(0,n.jsxs)(e.ul,{children:[(0,n.jsxs)(e.li,{children:["In ",(0,n.jsx)(e.code,{children:"Cargo.toml"}),", set the crate type to ",(0,n.jsx)(e.code,{children:"cdylib"})," (dynamic system library), which is necessary for generating Wasm modules. Also, keep ",(0,n.jsx)(e.code,{children:"rlib"})," so that other Rust projects can depend on it as a library.",(0,n.jsx)(e.pre,{className:"language-toml",children:(0,n.jsxs)(e.code,{className:"code-highlight language-toml",children:[(0,n.jsxs)(e.span,{className:"code-line line-number",line:"1",children:[(0,n.jsx)(e.span,{className:"token punctuation",children:"["}),(0,n.jsx)(e.span,{className:"token class-name table",children:"lib"}),(0,n.jsx)(e.span,{className:"token punctuation",children:"]"}),` `]}),(0,n.jsxs)(e.span,{className:"code-line line-number",line:"2",children:[(0,n.jsx)(e.span,{className:"token property key",children:"crate-type"})," ",(0,n.jsx)(e.span,{className:"token punctuation",children:"="})," ",(0,n.jsx)(e.span,{className:"token punctuation",children:"["}),(0,n.jsx)(e.span,{className:"token string",children:'"cdylib"'}),(0,n.jsx)(e.span,{className:"token punctuation",children:","})," ",(0,n.jsx)(e.span,{className:"token string",children:'"rlib"'}),(0,n.jsx)(e.span,{className:"token punctuation",children:"]"}),` `]})]})})]}),(0,n.jsxs)(e.li,{children:["Add the ",(0,n.jsx)(e.code,{children:"wasm-bindgen"})," dependency. ",(0,n.jsx)(e.code,{children:"wasm-bindgen"})," is used to facilitate data type and function call conversions between Wasm modules and JavaScript.",(0,n.jsx)(e.pre,{className:"language-toml",children:(0,n.jsxs)(e.code,{className:"code-highlight language-toml",children:[(0,n.jsxs)(e.span,{className:"code-line line-number",line:"1",children:[(0,n.jsx)(e.span,{className:"token punctuation",children:"["}),(0,n.jsx)(e.span,{className:"token class-name table",children:"dependencies"}),(0,n.jsx)(e.span,{className:"token punctuation",children:"]"}),` `]}),(0,n.jsxs)(e.span,{className:"code-line line-number",line:"2",children:[(0,n.jsx)(e.span,{className:"token property key",children:"wasm-bindgen"})," ",(0,n.jsx)(e.span,{className:"token punctuation",children:"="})," ",(0,n.jsx)(e.span,{className:"token string",children:'"0.2"'})," ",(0,n.jsx)(e.span,{className:"token comment",children:"# Use the latest compatible version"}),` `]})]})})]})]})]}),(0,n.jsxs)(e.li,{children:[(0,n.jsxs)(e.p,{children:[(0,n.jsx)(e.strong,{children:"Writing Rust Code (Wasm Compatible)"}),": Use the ",(0,n.jsx)(e.code,{children:"#[wasm_bindgen]"})," macro to mark functions and structs that need to be exposed to JavaScript."]}),(0,n.jsx)(e.pre,{className:"language-rust",children:(0,n.jsxs)(e.code,{className:"code-highlight language-rust",children:[(0,n.jsxs)(e.span,{className:"code-line line-number",line:"1",children:[(0,n.jsx)(e.span,{className:"token comment",children:"// src/lib.rs"}),` `]}),(0,n.jsxs)(e.span,{className:"code-line line-number",line:"2",children:[(0,n.jsx)(e.span,{className:"token keyword",children:"use"})," ",(0,n.jsxs)(e.span,{className:"token namespace",children:["wasm_bindgen",(0,n.jsx)(e.span,{className:"token punctuation",children:"::"}),"prelude",(0,n.jsx)(e.span,{className:"token punctuation",children:"::"})]}),(0,n.jsx)(e.span,{className:"token operator",children:"*"}),(0,n.jsx)(e.span,{className:"token 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directory."]}),(0,n.jsx)(e.pre,{className:"language-bash",children:(0,n.jsxs)(e.code,{className:"language-bash code-highlight",children:[(0,n.jsxs)(e.span,{className:"code-line line-number",line:"1",children:[(0,n.jsx)(e.span,{className:"token comment",children:"# Build for browser environments (generates ES Modules)"}),` `]}),(0,n.jsxs)(e.span,{className:"code-line line-number",line:"2",children:["wasm-pack build ",(0,n.jsx)(e.span,{className:"token parameter variable",children:"--target"}),` web `]}),(0,n.jsx)(e.span,{className:"code-line line-number",line:"3",children:` `}),(0,n.jsxs)(e.span,{className:"code-line line-number",line:"4",children:[(0,n.jsx)(e.span,{className:"token comment",children:"# Other targets:"}),` `]}),(0,n.jsxs)(e.span,{className:"code-line line-number",line:"5",children:[(0,n.jsx)(e.span,{className:"token comment",children:"# wasm-pack build --target bundler (suitable for bundlers like webpack)"}),` `]}),(0,n.jsxs)(e.span,{className:"code-line 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This directory contains the ",(0,n.jsx)(e.code,{children:".wasm"})," file, JavaScript glue code, TypeScript definition files (",(0,n.jsx)(e.code,{children:".d.ts"}),"), and a ",(0,n.jsx)(e.code,{children:"package.json"}),"."]})]}),(0,n.jsx)(e.li,{children:(0,n.jsxs)(e.p,{children:[(0,n.jsx)(e.strong,{children:"Test Wasm Package (Optional)"}),": ",(0,n.jsx)(e.code,{children:"wasm-pack test --headless --firefox"})," (or ",(0,n.jsx)(e.code,{children:"--chrome"}),", ",(0,n.jsx)(e.code,{children:"--safari"}),") can run Wasm tests written in Rust."]})}),(0,n.jsxs)(e.li,{children:[(0,n.jsxs)(e.p,{children:[(0,n.jsx)(e.strong,{children:"Publish to npm"}),":"]}),(0,n.jsxs)(e.ul,{children:[(0,n.jsxs)(e.li,{children:["Navigate to the ",(0,n.jsx)(e.code,{children:"pkg"})," directory:",(0,n.jsx)(e.pre,{className:"language-bash",children:(0,n.jsx)(e.code,{className:"language-bash code-highlight",children:(0,n.jsxs)(e.span,{className:"code-line line-number",line:"1",children:[(0,n.jsx)(e.span,{className:"token class-name builtin",children:"cd"}),` pkg `]})})})]}),(0,n.jsxs)(e.li,{children:["(Optional) Edit ",(0,n.jsx)(e.code,{children:"pkg/package.json"}),": ",(0,n.jsx)(e.code,{children:"wasm-pack"})," automatically generates one. You can modify fields like ",(0,n.jsx)(e.code,{children:"name"}),", ",(0,n.jsx)(e.code,{children:"version"}),", ",(0,n.jsx)(e.code,{children:"description"}),", ",(0,n.jsx)(e.code,{children:"repository"}),", ",(0,n.jsx)(e.code,{children:"files"}),", etc., as needed. Ensure the ",(0,n.jsx)(e.code,{children:"name"})," is unique on npm. If you want to use an npm scope (e.g., ",(0,n.jsx)(e.code,{children:"@your-npm-username/package-name"}),"), modify it accordingly."]}),(0,n.jsxs)(e.li,{children:["Log in to npm (if not already logged in):",(0,n.jsx)(e.pre,{className:"language-bash",children:(0,n.jsx)(e.code,{className:"language-bash code-highlight",children:(0,n.jsxs)(e.span,{className:"code-line line-number",line:"1",children:[(0,n.jsx)(e.span,{className:"token function",children:"npm"}),` login `]})})})]}),(0,n.jsxs)(e.li,{children:["Publish the package:",(0,n.jsx)(e.pre,{className:"language-bash",children:(0,n.jsx)(e.code,{className:"language-bash code-highlight",children:(0,n.jsxs)(e.span,{className:"code-line line-number",line:"1",children:[(0,n.jsx)(e.span,{className:"token function",children:"npm"}),` publish `]})})}),"If you're using an npm scope and the package is private, you might need ",(0,n.jsx)(e.code,{children:"npm publish --access public"})," for the initial public release."]})]}),(0,n.jsxs)(e.p,{children:["Now, your Rust-Wasm package can be used in JavaScript/TypeScript projects via ",(0,n.jsx)(e.code,{children:"npm install "})," or ",(0,n.jsx)(e.code,{children:"yarn add "}),"."]})]})]}),(0,n.jsx)(e.h2,{id:"-recommended-learning-resources",children:"\u{1F4DA} Recommended Learning Resources"}),(0,n.jsxs)(e.ul,{children:[(0,n.jsxs)(e.li,{children:[(0,n.jsx)(e.a,{href:"https://www.rust-lang.org/",children:"Rust Official Website"})," - The starting point for all Rust information."]}),(0,n.jsxs)(e.li,{children:[(0,n.jsx)(e.a,{href:"https://doc.rust-lang.org/book/",children:"The Rust Programming Language Book"}),' - The authoritative guide to learning Rust, also known as "The Book".']}),(0,n.jsxs)(e.li,{children:[(0,n.jsx)(e.a,{href:"https://doc.rust-lang.org/rust-by-example/",children:"Rust by Example"})," - Learn Rust through a series of examples."]}),(0,n.jsxs)(e.li,{children:[(0,n.jsx)(e.a,{href:"https://crates.io",children:"Crates.io Package Registry"})," - The place to find and publish Rust packages."]}),(0,n.jsxs)(e.li,{children:[(0,n.jsx)(e.a,{href:"https://docs.rs",children:"docs.rs Documentation Index"})," - Documentation hosting for all crates published on ",(0,n.jsx)(e.code,{children:"crates.io"}),"."]}),(0,n.jsxs)(e.li,{children:[(0,n.jsx)(e.a,{href:"https://arewelearningyet.com/",children:"Are We Learning Yet?"})," - Tracks the maturity of the Rust ecosystem in various domains."]}),(0,n.jsxs)(e.li,{children:[(0,n.jsx)(e.a,{href:"https://this-week-in-rust.org/",children:"This Week in Rust"})," - Weekly news from the Rust community."]}),(0,n.jsxs)(e.li,{children:[(0,n.jsx)(e.a,{href:"https://github.com/rust-lang/rustlings",children:"Rustlings Interactive Exercises"})," - Learn Rust syntax and concepts by fixing small exercises."]}),(0,n.jsxs)(e.li,{children:[(0,n.jsx)(e.a,{href:"https://rust-cookbook.com/",children:"Rust Cookbook"})," - Examples of Rust implementations for common programming tasks."]}),(0,n.jsxs)(e.li,{children:[(0,n.jsx)(e.a,{href:"https://rustwasm.github.io/docs/book/",children:"Rust and WebAssembly Book"})," - The official guide to Rust and WebAssembly development."]})]})]})}function h(a={}){let{wrapper:e}=a.components||{};return e?(0,n.jsx)(e,{...a,children:(0,n.jsx)(d,{...a})}):d(a)}return f(v);})(); ;return Component;

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