Struct afire::Server

source · 
pub struct Server<State: 'static + Send + Sync = ()> {
    pub port: u16,
    pub ip: Ipv4Addr,
    pub routes: Vec<Route<State>>,
    pub middleware: Vec<Box<dyn Middleware + Send + Sync>>,
    pub state: Option<Arc<State>>,
    pub error_handler: Box<dyn Fn(Option<Arc<State>>, &Box<Result<Rc<Request>>>, String) -> Response + Send + Sync>,
    pub default_headers: Vec<Header>,
    pub keep_alive: bool,
    pub socket_timeout: Option<Duration>,
}
Expand description

Defines a server.

Fields§

§port: u16

Port to listen on.

§ip: Ipv4Addr

Ip address to listen on.

§routes: Vec<Route<State>>

Routes to handle.

§middleware: Vec<Box<dyn Middleware + Send + Sync>>

Middleware

§state: Option<Arc<State>>

Server wide App State

§error_handler: Box<dyn Fn(Option<Arc<State>>, &Box<Result<Rc<Request>>>, String) -> Response + Send + Sync>

Default response for internal server errors

§default_headers: Vec<Header>

Headers automatically added to every response.

§keep_alive: bool

Weather to allow keep-alive connections. If this is set to false, the server will close the connection after every request. This is enabled by default.

§socket_timeout: Option<Duration>

Socket Timeout

Implementations§

source§

impl<State: Send + Sync> Server<State>

Implementations for Server

source

pub fn new(raw_ip: impl ToHostAddress, port: u16) -> Self

Creates a new server on the specified address and port. raw_ip can be either an IP address or ‘localhost’, which expands to 127.0.0.1.

Example
// Create a server for localhost on port 8080
// Note: The server has not been started yet
let mut server = Server::<()>::new("localhost", 8080);
Examples found in repository?
examples/application_paste_bin.rs (line 23)
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fn main() {
    // Create Server
    let mut server = Server::new("localhost", 8080).state(RwLock::new(Vec::new()));

    // New paste interface
    server.route(Method::GET, "/", |_req| {
        Response::new().content(Content::HTML).text(
            r#"
        <form action="/new-form" method="post">
        <input type="text" name="name" id="name" placeholder="Title">
        
        <br />
        <textarea id="body" name="body" rows="5" cols="33"></textarea>
        <input type="submit" value="Submit" />
    </form>
    "#,
        )
    });

    // New paste API handler
    server.stateful_route(Method::POST, "/new", move |app, req| {
        // Make sure paste data isn't too long
        if req.body.len() > DATA_LIMIT {
            return Response::new()
                .status(Status::NotFound)
                .text("Data too big!");
        }

        // Get the data as string
        let body_str = String::from_utf8_lossy(&req.body).to_string();

        // Get the name from the Name header
        let name = req.headers.get("Name").unwrap_or("Untitled");

        let paste = Paste {
            name: name.to_owned(),
            body: body_str,
            time: Instant::now(),
        };

        // Push this paste to the pastes vector
        let mut pastes = app.write().unwrap();
        let id = pastes.len();
        pastes.push(paste);

        // Send Redirect response
        Response::new()
            .status(Status::MovedPermanently)
            .header(HeaderType::Location, format!("/p/{id}"))
            .text(format!("Redirecting to /p/{id}."))
    });

    // New paste form handler
    server.stateful_route(Method::POST, "/new-form", |app, req| {
        // Get data from response
        let query = Query::from_body(String::from_utf8_lossy(&req.body).borrow());
        let name = decode_url(query.get("name").unwrap_or("Untitled")).expect("Invalid name");
        let body = decode_url(query.get("body").expect("No body supplied")).expect("Invalid body");

        // Make sure paste data isn't too long
        if body.len() > DATA_LIMIT {
            return Response::new()
                .status(Status::NotFound)
                .text("Data too big!");
        }

        let paste = Paste {
            name,
            body,
            time: Instant::now(),
        };

        // Push this paste to the pastes vector
        let mut pastes = app.write().unwrap();
        let id = pastes.len();
        pastes.push(paste);

        // Send Redirect response
        Response::new()
            .status(Status::MovedPermanently)
            .text("Ok")
            .header(HeaderType::Location, format!("/p/{}", id))
    });

    // Get pate handler
    server.stateful_route(Method::GET, "/p/{id}", move |app, req| {
        // Get is from path param
        let id = req.param("id").unwrap().parse::<usize>().unwrap();

        // Get the paste by id
        let paste = &app.read().unwrap()[id];

        // Send paste
        Response::new().text(&paste.body)
    });

    // View all pastes
    server.stateful_route(Method::GET, "/pastes", move |app, _req| {
        // Starter HTML
        let mut out = String::from(
            r#"<a href="/">New Paste</a><meta charset="UTF-8"><table><tr><th>Name</th><th>Date</th><th>Link</th></tr>"#,
        );

        // Add a table row for each paste
        for (i, e) in app.read().unwrap().iter().enumerate() {
            out.push_str(&format!(
                "<tr><td>{}</td><td>{}</td><td><a href=\"/p/{}\">🔗</a></td></tr>",
                e.name,
                fmt_relative_time(e.time.elapsed().as_secs()),
                i
            ));
        }

        // Send HTML
        Response::new()
            .text(format!("{}</table>", out))
            .content(Content::HTML)
    });

    server.start().unwrap();
}
source

pub fn start(&self) -> Result<()>

Starts the server without a threadpool. This is blocking. Will return an error if the server cant bind to the specified address, or of you are using stateful routes and have not set the state. (See Server::state)

Example
// Creates a server on localhost (127.0.0.1) port 8080
let mut server = Server::<()>::new("localhost", 8080);

/* Define Routes, Attach Middleware, etc. */

// Starts the server
// This is blocking
server.start().unwrap();
Examples found in repository?
examples/application_paste_bin.rs (line 140)
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fn main() {
    // Create Server
    let mut server = Server::new("localhost", 8080).state(RwLock::new(Vec::new()));

    // New paste interface
    server.route(Method::GET, "/", |_req| {
        Response::new().content(Content::HTML).text(
            r#"
        <form action="/new-form" method="post">
        <input type="text" name="name" id="name" placeholder="Title">
        
        <br />
        <textarea id="body" name="body" rows="5" cols="33"></textarea>
        <input type="submit" value="Submit" />
    </form>
    "#,
        )
    });

    // New paste API handler
    server.stateful_route(Method::POST, "/new", move |app, req| {
        // Make sure paste data isn't too long
        if req.body.len() > DATA_LIMIT {
            return Response::new()
                .status(Status::NotFound)
                .text("Data too big!");
        }

        // Get the data as string
        let body_str = String::from_utf8_lossy(&req.body).to_string();

        // Get the name from the Name header
        let name = req.headers.get("Name").unwrap_or("Untitled");

        let paste = Paste {
            name: name.to_owned(),
            body: body_str,
            time: Instant::now(),
        };

        // Push this paste to the pastes vector
        let mut pastes = app.write().unwrap();
        let id = pastes.len();
        pastes.push(paste);

        // Send Redirect response
        Response::new()
            .status(Status::MovedPermanently)
            .header(HeaderType::Location, format!("/p/{id}"))
            .text(format!("Redirecting to /p/{id}."))
    });

    // New paste form handler
    server.stateful_route(Method::POST, "/new-form", |app, req| {
        // Get data from response
        let query = Query::from_body(String::from_utf8_lossy(&req.body).borrow());
        let name = decode_url(query.get("name").unwrap_or("Untitled")).expect("Invalid name");
        let body = decode_url(query.get("body").expect("No body supplied")).expect("Invalid body");

        // Make sure paste data isn't too long
        if body.len() > DATA_LIMIT {
            return Response::new()
                .status(Status::NotFound)
                .text("Data too big!");
        }

        let paste = Paste {
            name,
            body,
            time: Instant::now(),
        };

        // Push this paste to the pastes vector
        let mut pastes = app.write().unwrap();
        let id = pastes.len();
        pastes.push(paste);

        // Send Redirect response
        Response::new()
            .status(Status::MovedPermanently)
            .text("Ok")
            .header(HeaderType::Location, format!("/p/{}", id))
    });

    // Get pate handler
    server.stateful_route(Method::GET, "/p/{id}", move |app, req| {
        // Get is from path param
        let id = req.param("id").unwrap().parse::<usize>().unwrap();

        // Get the paste by id
        let paste = &app.read().unwrap()[id];

        // Send paste
        Response::new().text(&paste.body)
    });

    // View all pastes
    server.stateful_route(Method::GET, "/pastes", move |app, _req| {
        // Starter HTML
        let mut out = String::from(
            r#"<a href="/">New Paste</a><meta charset="UTF-8"><table><tr><th>Name</th><th>Date</th><th>Link</th></tr>"#,
        );

        // Add a table row for each paste
        for (i, e) in app.read().unwrap().iter().enumerate() {
            out.push_str(&format!(
                "<tr><td>{}</td><td>{}</td><td><a href=\"/p/{}\">🔗</a></td></tr>",
                e.name,
                fmt_relative_time(e.time.elapsed().as_secs()),
                i
            ));
        }

        // Send HTML
        Response::new()
            .text(format!("{}</table>", out))
            .content(Content::HTML)
    });

    server.start().unwrap();
}
source

pub fn start_threaded(self, threads: usize) -> Result<()>

Start the server with a threadpool of threads threads. Just like Server::start, this is blocking. Will return an error if the server cant bind to the specified address, or of you are using stateful routes and have not set the state. (See Server::state)

Example
// Import Library
use afire::{Server, Response, Header, Method};

// Creates a server on localhost (127.0.0.1) port 8080
let mut server = Server::<()>::new("localhost", 8080);

/* Define Routes, Attach Middleware, etc. */

// Starts the server with 4 threads
// This is blocking
server.start_threaded(4).unwrap();
source

pub fn default_header( self, key: impl Into<HeaderType>, value: impl AsRef<str> ) -> Self

Add a new default header to the server. This will be added to every response if it is not already present.

This will be added to every response

Example
// Create a server for localhost on port 8080
let mut server = Server::<()>::new("localhost", 8080)
    // Add a default header to the response
    .default_header("X-Server", "afire");
source

pub fn socket_timeout(self, socket_timeout: Duration) -> Self

Set the timeout for the socket. This will ensure that the server will not hang on a request for too long. By default there is no timeout.

Example
// Create a server for localhost on port 8080
let mut server = Server::<()>::new("localhost", 8080)
    // Set socket timeout
    .socket_timeout(Duration::from_secs(5));
source

pub fn keep_alive(self, keep_alive: bool) -> Self

Set the keep alive state of the server. This will determine if the server will keep the connection alive after a request. By default this is true. If you aren’t using a threadpool, you may want to set this to false.

Example
// Create a server for localhost on port 8080
let mut server = Server::<()>::new("localhost", 8080)
    // Disable Keep Alive
    .keep_alive(false);
source

pub fn state(self, state: State) -> Self

Set the state of a server. The state will be available to stateful routes (Server::stateful_route) and middleware. It is not mutable, so you will need to use an atomic or sync type to mutate it.

Example
// Create a server for localhost on port 8080
// Note: We can omit the type parameter here because we are setting the state
let mut server = Server::new("localhost", 8080)
    // Set server wide state
    .state(AtomicU32::new(0));

// Add a stateful route to increment the state
server.stateful_route(Method::GET, "/", |state, _req| {
    Response::new().text(state.fetch_add(1, Ordering::Relaxed))
});
Examples found in repository?
examples/application_paste_bin.rs (line 23)
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fn main() {
    // Create Server
    let mut server = Server::new("localhost", 8080).state(RwLock::new(Vec::new()));

    // New paste interface
    server.route(Method::GET, "/", |_req| {
        Response::new().content(Content::HTML).text(
            r#"
        <form action="/new-form" method="post">
        <input type="text" name="name" id="name" placeholder="Title">
        
        <br />
        <textarea id="body" name="body" rows="5" cols="33"></textarea>
        <input type="submit" value="Submit" />
    </form>
    "#,
        )
    });

    // New paste API handler
    server.stateful_route(Method::POST, "/new", move |app, req| {
        // Make sure paste data isn't too long
        if req.body.len() > DATA_LIMIT {
            return Response::new()
                .status(Status::NotFound)
                .text("Data too big!");
        }

        // Get the data as string
        let body_str = String::from_utf8_lossy(&req.body).to_string();

        // Get the name from the Name header
        let name = req.headers.get("Name").unwrap_or("Untitled");

        let paste = Paste {
            name: name.to_owned(),
            body: body_str,
            time: Instant::now(),
        };

        // Push this paste to the pastes vector
        let mut pastes = app.write().unwrap();
        let id = pastes.len();
        pastes.push(paste);

        // Send Redirect response
        Response::new()
            .status(Status::MovedPermanently)
            .header(HeaderType::Location, format!("/p/{id}"))
            .text(format!("Redirecting to /p/{id}."))
    });

    // New paste form handler
    server.stateful_route(Method::POST, "/new-form", |app, req| {
        // Get data from response
        let query = Query::from_body(String::from_utf8_lossy(&req.body).borrow());
        let name = decode_url(query.get("name").unwrap_or("Untitled")).expect("Invalid name");
        let body = decode_url(query.get("body").expect("No body supplied")).expect("Invalid body");

        // Make sure paste data isn't too long
        if body.len() > DATA_LIMIT {
            return Response::new()
                .status(Status::NotFound)
                .text("Data too big!");
        }

        let paste = Paste {
            name,
            body,
            time: Instant::now(),
        };

        // Push this paste to the pastes vector
        let mut pastes = app.write().unwrap();
        let id = pastes.len();
        pastes.push(paste);

        // Send Redirect response
        Response::new()
            .status(Status::MovedPermanently)
            .text("Ok")
            .header(HeaderType::Location, format!("/p/{}", id))
    });

    // Get pate handler
    server.stateful_route(Method::GET, "/p/{id}", move |app, req| {
        // Get is from path param
        let id = req.param("id").unwrap().parse::<usize>().unwrap();

        // Get the paste by id
        let paste = &app.read().unwrap()[id];

        // Send paste
        Response::new().text(&paste.body)
    });

    // View all pastes
    server.stateful_route(Method::GET, "/pastes", move |app, _req| {
        // Starter HTML
        let mut out = String::from(
            r#"<a href="/">New Paste</a><meta charset="UTF-8"><table><tr><th>Name</th><th>Date</th><th>Link</th></tr>"#,
        );

        // Add a table row for each paste
        for (i, e) in app.read().unwrap().iter().enumerate() {
            out.push_str(&format!(
                "<tr><td>{}</td><td>{}</td><td><a href=\"/p/{}\">🔗</a></td></tr>",
                e.name,
                fmt_relative_time(e.time.elapsed().as_secs()),
                i
            ));
        }

        // Send HTML
        Response::new()
            .text(format!("{}</table>", out))
            .content(Content::HTML)
    });

    server.start().unwrap();
}
source

pub fn error_handler( &mut self, res: impl Fn(Option<Arc<State>>, &Box<Result<Rc<Request>>>, String) -> Response + Send + Sync + 'static )

Set the panic handler, which is called if a route or middleware panics. This is only available if the panic_handler feature is enabled. If you don’t set it, the default response is 500 “Internal Server Error :/”. Be sure that your panic handler wont panic, because that will just panic the whole application.

Example
// Set the panic handler response
server.error_handler(|_state, _req, err| {
    Response::new()
        .status(Status::InternalServerError)
        .text(format!("Internal Server Error: {}", err))
});
source

pub fn route( &mut self, method: Method, path: impl AsRef<str>, handler: impl Fn(&Request) -> Response + Send + Sync + 'static ) -> &mut Self

Create a new route. The path can contain parameters, which are defined with {...}, as well as wildcards, which are defined with *. (** lets you math anything after the wildcard, including /)

Example
// Define a route
server.route(Method::GET, "/greet/{name}", |req| {
    let name = req.param("name").unwrap();

    Response::new()
        .text(format!("Hello, {}!", name))
        .content(Content::TXT)
});
Examples found in repository?
examples/application_paste_bin.rs (lines 26-38)
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fn main() {
    // Create Server
    let mut server = Server::new("localhost", 8080).state(RwLock::new(Vec::new()));

    // New paste interface
    server.route(Method::GET, "/", |_req| {
        Response::new().content(Content::HTML).text(
            r#"
        <form action="/new-form" method="post">
        <input type="text" name="name" id="name" placeholder="Title">
        
        <br />
        <textarea id="body" name="body" rows="5" cols="33"></textarea>
        <input type="submit" value="Submit" />
    </form>
    "#,
        )
    });

    // New paste API handler
    server.stateful_route(Method::POST, "/new", move |app, req| {
        // Make sure paste data isn't too long
        if req.body.len() > DATA_LIMIT {
            return Response::new()
                .status(Status::NotFound)
                .text("Data too big!");
        }

        // Get the data as string
        let body_str = String::from_utf8_lossy(&req.body).to_string();

        // Get the name from the Name header
        let name = req.headers.get("Name").unwrap_or("Untitled");

        let paste = Paste {
            name: name.to_owned(),
            body: body_str,
            time: Instant::now(),
        };

        // Push this paste to the pastes vector
        let mut pastes = app.write().unwrap();
        let id = pastes.len();
        pastes.push(paste);

        // Send Redirect response
        Response::new()
            .status(Status::MovedPermanently)
            .header(HeaderType::Location, format!("/p/{id}"))
            .text(format!("Redirecting to /p/{id}."))
    });

    // New paste form handler
    server.stateful_route(Method::POST, "/new-form", |app, req| {
        // Get data from response
        let query = Query::from_body(String::from_utf8_lossy(&req.body).borrow());
        let name = decode_url(query.get("name").unwrap_or("Untitled")).expect("Invalid name");
        let body = decode_url(query.get("body").expect("No body supplied")).expect("Invalid body");

        // Make sure paste data isn't too long
        if body.len() > DATA_LIMIT {
            return Response::new()
                .status(Status::NotFound)
                .text("Data too big!");
        }

        let paste = Paste {
            name,
            body,
            time: Instant::now(),
        };

        // Push this paste to the pastes vector
        let mut pastes = app.write().unwrap();
        let id = pastes.len();
        pastes.push(paste);

        // Send Redirect response
        Response::new()
            .status(Status::MovedPermanently)
            .text("Ok")
            .header(HeaderType::Location, format!("/p/{}", id))
    });

    // Get pate handler
    server.stateful_route(Method::GET, "/p/{id}", move |app, req| {
        // Get is from path param
        let id = req.param("id").unwrap().parse::<usize>().unwrap();

        // Get the paste by id
        let paste = &app.read().unwrap()[id];

        // Send paste
        Response::new().text(&paste.body)
    });

    // View all pastes
    server.stateful_route(Method::GET, "/pastes", move |app, _req| {
        // Starter HTML
        let mut out = String::from(
            r#"<a href="/">New Paste</a><meta charset="UTF-8"><table><tr><th>Name</th><th>Date</th><th>Link</th></tr>"#,
        );

        // Add a table row for each paste
        for (i, e) in app.read().unwrap().iter().enumerate() {
            out.push_str(&format!(
                "<tr><td>{}</td><td>{}</td><td><a href=\"/p/{}\">🔗</a></td></tr>",
                e.name,
                fmt_relative_time(e.time.elapsed().as_secs()),
                i
            ));
        }

        // Send HTML
        Response::new()
            .text(format!("{}</table>", out))
            .content(Content::HTML)
    });

    server.start().unwrap();
}
source

pub fn stateful_route( &mut self, method: Method, path: impl AsRef<str>, handler: impl Fn(Arc<State>, &Request) -> Response + Send + Sync + 'static ) -> &mut Self

Create a new stateful route. Is the same as Server::route, but the state is passed as the first parameter. (See Server::state)

Note: If you add a stateful route, you must also set the state or starting the sever will return an error.

Example
// Create a server for localhost on port 8080
let mut server = Server::<u32>::new("localhost", 8080)
   .state(101);

// Define a route
server.stateful_route(Method::GET, "/nose", |sta, req| {
    Response::new().text(sta.to_string())
});
Examples found in repository?
examples/application_paste_bin.rs (lines 41-71)
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fn main() {
    // Create Server
    let mut server = Server::new("localhost", 8080).state(RwLock::new(Vec::new()));

    // New paste interface
    server.route(Method::GET, "/", |_req| {
        Response::new().content(Content::HTML).text(
            r#"
        <form action="/new-form" method="post">
        <input type="text" name="name" id="name" placeholder="Title">
        
        <br />
        <textarea id="body" name="body" rows="5" cols="33"></textarea>
        <input type="submit" value="Submit" />
    </form>
    "#,
        )
    });

    // New paste API handler
    server.stateful_route(Method::POST, "/new", move |app, req| {
        // Make sure paste data isn't too long
        if req.body.len() > DATA_LIMIT {
            return Response::new()
                .status(Status::NotFound)
                .text("Data too big!");
        }

        // Get the data as string
        let body_str = String::from_utf8_lossy(&req.body).to_string();

        // Get the name from the Name header
        let name = req.headers.get("Name").unwrap_or("Untitled");

        let paste = Paste {
            name: name.to_owned(),
            body: body_str,
            time: Instant::now(),
        };

        // Push this paste to the pastes vector
        let mut pastes = app.write().unwrap();
        let id = pastes.len();
        pastes.push(paste);

        // Send Redirect response
        Response::new()
            .status(Status::MovedPermanently)
            .header(HeaderType::Location, format!("/p/{id}"))
            .text(format!("Redirecting to /p/{id}."))
    });

    // New paste form handler
    server.stateful_route(Method::POST, "/new-form", |app, req| {
        // Get data from response
        let query = Query::from_body(String::from_utf8_lossy(&req.body).borrow());
        let name = decode_url(query.get("name").unwrap_or("Untitled")).expect("Invalid name");
        let body = decode_url(query.get("body").expect("No body supplied")).expect("Invalid body");

        // Make sure paste data isn't too long
        if body.len() > DATA_LIMIT {
            return Response::new()
                .status(Status::NotFound)
                .text("Data too big!");
        }

        let paste = Paste {
            name,
            body,
            time: Instant::now(),
        };

        // Push this paste to the pastes vector
        let mut pastes = app.write().unwrap();
        let id = pastes.len();
        pastes.push(paste);

        // Send Redirect response
        Response::new()
            .status(Status::MovedPermanently)
            .text("Ok")
            .header(HeaderType::Location, format!("/p/{}", id))
    });

    // Get pate handler
    server.stateful_route(Method::GET, "/p/{id}", move |app, req| {
        // Get is from path param
        let id = req.param("id").unwrap().parse::<usize>().unwrap();

        // Get the paste by id
        let paste = &app.read().unwrap()[id];

        // Send paste
        Response::new().text(&paste.body)
    });

    // View all pastes
    server.stateful_route(Method::GET, "/pastes", move |app, _req| {
        // Starter HTML
        let mut out = String::from(
            r#"<a href="/">New Paste</a><meta charset="UTF-8"><table><tr><th>Name</th><th>Date</th><th>Link</th></tr>"#,
        );

        // Add a table row for each paste
        for (i, e) in app.read().unwrap().iter().enumerate() {
            out.push_str(&format!(
                "<tr><td>{}</td><td>{}</td><td><a href=\"/p/{}\">🔗</a></td></tr>",
                e.name,
                fmt_relative_time(e.time.elapsed().as_secs()),
                i
            ));
        }

        // Send HTML
        Response::new()
            .text(format!("{}</table>", out))
            .content(Content::HTML)
    });

    server.start().unwrap();
}

Auto Trait Implementations§

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impl<State = ()> !RefUnwindSafe for Server<State>

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impl<State> Send for Server<State>

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impl<State> Sync for Server<State>

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impl<State = ()> !UnwindSafe for Server<State>

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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const: unstable · source§

fn borrow(&self) -> &T

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fn borrow_mut(&mut self) -> &mut T

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fn from(t: T) -> T

Returns the argument unchanged.

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fn into(self) -> U

Calls U::from(self).

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

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type Error = Infallible

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Performs the conversion.
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type Error = <U as TryFrom<T>>::Error

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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.