pub struct LocalResponse<'c> { /* private fields */ }
Expand description

An async response from a dispatched LocalRequest.

This LocalResponse implements tokio::io::AsyncRead. As such, if into_string() and into_bytes() do not suffice, the response’s body can be read directly:

use std::io;

use rocket::local::asynchronous::Client;
use rocket::tokio::io::AsyncReadExt;
use rocket::http::Status;

#[get("/")]
fn hello_world() -> &'static str {
    "Hello, world!"
}

#[launch]
fn rocket() -> _ {
    rocket::build().mount("/", routes![hello_world])
}

// Dispatch a `GET /` request.
let client = Client::tracked(rocket()).await.expect("valid rocket");
let mut response = client.get("/").dispatch().await;

// Check metadata validity.
assert_eq!(response.status(), Status::Ok);
assert_eq!(response.body().preset_size(), Some(13));

// Read 10 bytes of the body. Note: in reality, we'd use `into_string()`.
let mut buffer = [0; 10];
response.read(&mut buffer).await?;
assert_eq!(buffer, "Hello, wor".as_bytes());

For more, see the top-level documentation.

Implementations§

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impl LocalResponse<'_>

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pub fn status(&self) -> Status

Returns the HTTP status of self.

Example
use rocket::local::asynchronous::LocalResponse;

let response: LocalResponse = response;
let status = response.status();
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pub fn content_type(&self) -> Option<ContentType>

Returns the Content-Type, if a valid one is set, of self.

Example
use rocket::local::asynchronous::LocalResponse;

let response: LocalResponse = response;
let content_type = response.content_type();
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pub fn headers(&self) -> &HeaderMap<'_>

Returns the HTTP headers of self.

Example
use rocket::local::asynchronous::LocalResponse;

let response: LocalResponse = response;
let headers = response.headers();
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pub fn cookies(&self) -> &CookieJar<'_>

Return a cookie jar containing the HTTP cookies in the response.

Example
use rocket::local::asynchronous::LocalResponse;

let response: LocalResponse = response;
let string = response.cookies();
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pub fn body(&self) -> &Body<'_>

Returns the response body, if there is one, of self.

Example
use rocket::local::asynchronous::LocalResponse;

let response: LocalResponse = response;
let body = response.body();
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pub async fn into_string(self) -> Option<String>

Consumes self and reads the entirety of its body into a string.

If reading fails, the body contains invalid UTF-8 characters, or the body is unset in the response, returns None. Otherwise, returns Some. The string may be empty if the body is empty.

Example
use rocket::local::asynchronous::LocalResponse;

let response: LocalResponse = response;
let string = response.into_string();
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pub async fn into_bytes(self) -> Option<Vec<u8>>

Consumes self and reads the entirety of its body into a Vec of bytes.

If reading fails or the body is unset in the response, returns None. Otherwise, returns Some. The returned vector may be empty if the body is empty.

Example
use rocket::local::asynchronous::LocalResponse;

let response: LocalResponse = response;
let bytes = response.into_bytes();

Trait Implementations§

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impl AsyncRead for LocalResponse<'_>

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fn poll_read( self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &mut ReadBuf<'_> ) -> Poll<Result<()>>

Attempts to read from the AsyncRead into buf. Read more
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impl Debug for LocalResponse<'_>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<'c> !RefUnwindSafe for LocalResponse<'c>

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impl<'c> Send for LocalResponse<'c>

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impl<'c> !Sync for LocalResponse<'c>

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impl<'c> Unpin for LocalResponse<'c>

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impl<'c> !UnwindSafe for LocalResponse<'c>

Blanket Implementations§

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impl<T> Any for Twhere T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<R> AsyncReadExt for Rwhere R: AsyncRead + ?Sized,

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fn chain<R>(self, next: R) -> Chain<Self, R>where Self: Sized, R: AsyncRead,

Creates a new AsyncRead instance that chains this stream with next. Read more
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fn read<'a>(&'a mut self, buf: &'a mut [u8]) -> Read<'a, Self>where Self: Unpin,

Pulls some bytes from this source into the specified buffer, returning how many bytes were read. Read more
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fn read_buf<B, 'a>(&'a mut self, buf: &'a mut B) -> ReadBuf<'a, Self, B>where Self: Sized + Unpin, B: BufMut,

Pulls some bytes from this source into the specified buffer, advancing the buffer’s internal cursor. Read more
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fn read_exact<'a>(&'a mut self, buf: &'a mut [u8]) -> ReadExact<'a, Self>where Self: Unpin,

Reads the exact number of bytes required to fill buf. Read more
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fn read_u8(&mut self) -> ReadU8<&mut Self>where Self: Unpin,

Reads an unsigned 8 bit integer from the underlying reader. Read more
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fn read_i8(&mut self) -> ReadI8<&mut Self>where Self: Unpin,

Reads a signed 8 bit integer from the underlying reader. Read more
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fn read_u16(&mut self) -> ReadU16<&mut Self>where Self: Unpin,

Reads an unsigned 16-bit integer in big-endian order from the underlying reader. Read more
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fn read_i16(&mut self) -> ReadI16<&mut Self>where Self: Unpin,

Reads a signed 16-bit integer in big-endian order from the underlying reader. Read more
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fn read_u32(&mut self) -> ReadU32<&mut Self>where Self: Unpin,

Reads an unsigned 32-bit integer in big-endian order from the underlying reader. Read more
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fn read_i32(&mut self) -> ReadI32<&mut Self>where Self: Unpin,

Reads a signed 32-bit integer in big-endian order from the underlying reader. Read more
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fn read_u64(&mut self) -> ReadU64<&mut Self>where Self: Unpin,

Reads an unsigned 64-bit integer in big-endian order from the underlying reader. Read more
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fn read_i64(&mut self) -> ReadI64<&mut Self>where Self: Unpin,

Reads an signed 64-bit integer in big-endian order from the underlying reader. Read more
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fn read_u128(&mut self) -> ReadU128<&mut Self>where Self: Unpin,

Reads an unsigned 128-bit integer in big-endian order from the underlying reader. Read more
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fn read_i128(&mut self) -> ReadI128<&mut Self>where Self: Unpin,

Reads an signed 128-bit integer in big-endian order from the underlying reader. Read more
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fn read_f32(&mut self) -> ReadF32<&mut Self>where Self: Unpin,

Reads an 32-bit floating point type in big-endian order from the underlying reader. Read more
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fn read_f64(&mut self) -> ReadF64<&mut Self>where Self: Unpin,

Reads an 64-bit floating point type in big-endian order from the underlying reader. Read more
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fn read_u16_le(&mut self) -> ReadU16Le<&mut Self>where Self: Unpin,

Reads an unsigned 16-bit integer in little-endian order from the underlying reader. Read more
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fn read_i16_le(&mut self) -> ReadI16Le<&mut Self>where Self: Unpin,

Reads a signed 16-bit integer in little-endian order from the underlying reader. Read more
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fn read_u32_le(&mut self) -> ReadU32Le<&mut Self>where Self: Unpin,

Reads an unsigned 32-bit integer in little-endian order from the underlying reader. Read more
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fn read_i32_le(&mut self) -> ReadI32Le<&mut Self>where Self: Unpin,

Reads a signed 32-bit integer in little-endian order from the underlying reader. Read more
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fn read_u64_le(&mut self) -> ReadU64Le<&mut Self>where Self: Unpin,

Reads an unsigned 64-bit integer in little-endian order from the underlying reader. Read more
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fn read_i64_le(&mut self) -> ReadI64Le<&mut Self>where Self: Unpin,

Reads an signed 64-bit integer in little-endian order from the underlying reader. Read more
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fn read_u128_le(&mut self) -> ReadU128Le<&mut Self>where Self: Unpin,

Reads an unsigned 128-bit integer in little-endian order from the underlying reader. Read more
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fn read_i128_le(&mut self) -> ReadI128Le<&mut Self>where Self: Unpin,

Reads an signed 128-bit integer in little-endian order from the underlying reader. Read more
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fn read_f32_le(&mut self) -> ReadF32Le<&mut Self>where Self: Unpin,

Reads an 32-bit floating point type in little-endian order from the underlying reader. Read more
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fn read_f64_le(&mut self) -> ReadF64Le<&mut Self>where Self: Unpin,

Reads an 64-bit floating point type in little-endian order from the underlying reader. Read more
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fn read_to_end<'a>( &'a mut self, buf: &'a mut Vec<u8, Global> ) -> ReadToEnd<'a, Self>where Self: Unpin,

Reads all bytes until EOF in this source, placing them into buf. Read more
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fn read_to_string<'a>( &'a mut self, dst: &'a mut String ) -> ReadToString<'a, Self>where Self: Unpin,

Reads all bytes until EOF in this source, appending them to buf. Read more
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fn take(self, limit: u64) -> Take<Self>where Self: Sized,

Creates an adaptor which reads at most limit bytes from it. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

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Immutably borrows from an owned value. Read more
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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

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impl<T> Instrument for T

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Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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Converts self into a collection.
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Returns a styled value derived from self with the foreground set to value.

This method should be used rarely. Instead, prefer to use color-specific builder methods like red() and green(), which have the same functionality but are pithier.

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Set foreground color to white using fg():

use yansi::{Paint, Color};

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