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Rust Lightning Talk on Guru SP - May 2022
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bezelga
May 31, 2022
Technology
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Rust Lightning Talk on Guru SP - May 2022
meu canal no youtube sobre Rust:
https://www.youtube.com/channel/UCxsQynk4GzoNmFZ3vDXZhtQ
bezelga
May 31, 2022
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Transcript
Rust Lightning Talk! ⚡ Fabiano Beselga @fbzga 🦜
Holy Crab! 🦀 1. Preciso confessar que estou apaixonado 🥰
2. Why Memory management in Rust is so cool 😎 3. Assinatura de métodos revelam muita coisa 4. Parsing JSON in a typed way
Previamente co-founder & CTO da magnetis.com.br Fabiano Beselga @fbzga 🦜
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Atualmente 🍺 na Alemanha 🇩🇪 tomando cerveja de café da
manhã
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@Kaia Health Internal Platform • CLI in Rust • Backend
Ruby • Terraform, Kubernetes, Helm
Estoy apaixonado, esse amor é tão grande ii ii 🎵🥰
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🧡 Rust há vários anos é a linguagem favorita dos
na pesquisa do Stack Overflow
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Memory management 🦀
Memory management styles • Manually allocate / free memory (seg
fault / double free) • Garbage Collector (Ruby, Python, Golang, Java, Erlang, c) • Ownership / Borrowing (Rust only as far as I know)
Rust brings to language design and compile time the memory
management By using Ownership and Borrowing
Ownership Rules 1. Each value in Rust is owned by
variable. 2. When the owner goes out of scope, the value will be deallocated. 3. There can be Only ONE owner at a time.
1. Each value in rust is owned by a variable
2. When the owner goes out of scope the value
will deallocated
2. When the owner goes out of scope the value
will deallocated
3. There can only one owner at a time
This avoids double free in compile time 2. When the
owner goes out of scope the value will deallocated
Chamando outras funções:
Quiz, qual o erro?
🤔 Como faz para passar uma variável para uma função
e ainda continuar usando ela na main?
Borrowing
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Imutável por padrão
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Function declaration help you to know the interface 🦀
Ruby on Rails: Qual o retorno dessa função?
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Ruby on Rails e o # fi nd_by ?
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Parseando json com Serde 🦀
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Using serde_json to fetch data from GitHub API
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Holy Crab! 🦀 🎥 bit.ly/holy-crab @fbzga 🦜 Meu novo canal
no Youtube! Like e subscribe 🤗