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feat(wpcarro/rust): Include std::fmt::Display example

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Gotta know how to `to_string` things

Change-Id: I259ef61ecaf6ae7fabe0b3d211706ba5f429b3a7
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6057
Reviewed-by: wpcarro <wpcarro@gmail.com>
Autosubmit: wpcarro <wpcarro@gmail.com>
Tested-by: BuildkiteCI
This commit is contained in:
William Carroll 2022-08-09 10:20:03 -07:00 committed by clbot
parent 783e1190cd
commit 4732603a42
6 changed files with 123 additions and 50 deletions
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89
users/wpcarro/scratch/rust/Cargo.lock generated Normal file
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@ -0,0 +1,89 @@
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
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0
users/wpcarro/scratch/rust/json/Cargo.toml → users/wpcarro/scratch/rust/Cargo.toml
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39
users/wpcarro/scratch/rust/json/Cargo.lock generated
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@ -1,39 +0,0 @@
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13
users/wpcarro/scratch/rust/src/display/mod.rs Normal file
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@ -0,0 +1,13 @@
use std::fmt;
pub struct Person {
pub fname: String,
pub lname: String,
pub age: i8,
}
impl fmt::Display for Person {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{}, {} ({} years old)", self.lname, self.fname, self.age)
}
}

14
users/wpcarro/scratch/rust/json/src/main.rs → users/wpcarro/scratch/rust/src/json/mod.rs
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@ -37,7 +37,7 @@ struct Person {
// TL;DR:
// - read: serde_json::from_str(data)
// - write: x.to_string()
fn one() {
pub fn one() {
let data = json!({
"fname": "William",
"lname": "Carroll",
@ -52,7 +52,7 @@ fn one() {
// TL;DR:
// - read: serde_json::from_str(data)
// - write: x.to_string()
fn two() {
pub fn two() {
let data = r#"{"fname":"William","lname":"Carroll","age":30}"#;
let mut parsed: Value = serde_json::from_str(data).unwrap();
@ -68,7 +68,7 @@ fn two() {
// TL;DR:
// - read: serde_json::from_str(data)
// - write: serde_json::to_string(x).unwrap()
fn three() {
pub fn three() {
let data = r#"{"fname":"William","lname":"Carroll","age":30}"#;
let mut read: Person = serde_json::from_str(data).unwrap();
@ -79,11 +79,3 @@ fn three() {
let write = serde_json::to_string(&read).unwrap();
println!("result: {:?}", write);
}
////////////////////////////////////////////////////////////////////////////////
// Main
////////////////////////////////////////////////////////////////////////////////
fn main() {
three()
}

18
users/wpcarro/scratch/rust/src/main.rs Normal file
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@ -0,0 +1,18 @@
use serde::{Deserialize, Serialize};
use serde_json::{json, Value};
mod display;
mod json;
////////////////////////////////////////////////////////////////////////////////
// Main
////////////////////////////////////////////////////////////////////////////////
fn main() {
let john: display::Person = display::Person {
fname: "John".to_string(),
lname: "Cleese".to_string(),
age: 82,
};
println!("Person: {}", john)
}