42 lines
1.3 KiB
Rust
42 lines
1.3 KiB
Rust
#![deny(warnings)]
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// This is using the `tokio` runtime. You'll need the following dependency:
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//
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// `tokio = { version = "1", features = ["full"] }`
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#[cfg(not(target_arch = "wasm32"))]
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#[tokio::main]
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async fn main() -> Result<(), reqwest::Error> {
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// Some simple CLI args requirements...
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let url = match std::env::args().nth(1) {
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Some(url) => url,
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None => {
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println!("No CLI URL provided, using default.");
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"https://hyper.rs".into()
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}
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};
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eprintln!("Fetching {:?}...", url);
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// reqwest::get() is a convenience function.
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//
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// In most cases, you should create/build a reqwest::Client and reuse
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// it for all requests.
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let res = reqwest::get(url).await?;
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eprintln!("Response: {:?} {}", res.version(), res.status());
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eprintln!("Headers: {:#?}\n", res.headers());
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let body = res.text().await?;
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println!("{}", body);
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Ok(())
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}
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// The [cfg(not(target_arch = "wasm32"))] above prevent building the tokio::main function
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// for wasm32 target, because tokio isn't compatible with wasm32.
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// If you aren't building for wasm32, you don't need that line.
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// The two lines below avoid the "'main' function not found" error when building for wasm32 target.
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#[cfg(target_arch = "wasm32")]
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fn main() {}
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