std::print - Rust
Description: API documentation for the Rust `print` macro in crate `std`.
Keywords: rust, rustlang, rust-lang, print

# 1.0.0[−][src]Macro std::print

    macro_rules! print {
        ($($arg:tt)*) => { ... };
    }

Macro for printing to the standard output.

Equivalent to the `println!` macro except that a newline is not printed at the end of the message.

Note that stdout is frequently line-buffered by default so it may be necessary to use `io::stdout().flush()` to ensure the output is emitted immediately.

Use `print!` only for the primary output of your program. Use `eprint!` instead to print error and progress messages.

# Panics

Panics if writing to `io::stdout()` fails.

# Examples

    use std::io::{self, Write};

    print!("this ");
    print!("will ");
    print!("be ");
    print!("on ");
    print!("the ");
    print!("same ");
    print!("line ");

    io::stdout().flush().unwrap();

    print!("this string has a newline, why not choose println! instead?\n");

    io::stdout().flush().unwrap();Run

# Help

## Keyboard Shortcuts

`?`
  Show this help dialog
`S`
  Focus the search field
`↑`
  Move up in search results
`↓`
  Move down in search results
`↹`
  Switch tab
`⏎`
  Go to active search result
`+`
  Expand all sections
`-`
  Collapse all sections

## Search Tricks

Prefix searches with a type followed by a colon (e.g., `fn:`) to restrict the search to a given type.

Accepted types are: `fn`, `mod`, `struct`, `enum`, `trait`, `type`, `macro`, and `const`.

Search functions by type signature (e.g., `vec -> usize` or `* -> vec`)

Search multiple things at once by splitting your query with comma (e.g., `str,u8` or `String,struct:Vec,test`)