core::fmt - Rust
Description: API documentation for the Rust `fmt` mod in crate `core`.
Keywords: rust, rustlang, rust-lang, fmt

# 1.0.0[−][src]Module core::fmt

Utilities for formatting and printing strings.

## Macros

Debug | Derive macro generating an impl of the trait `Debug`.

## Structs

Arguments | This structure represents a safely precompiled version of a format string and its arguments. This cannot be generated at runtime because it cannot safely be done, so no constructors are given and the fields are private to prevent modification.
DebugList | A struct to help with `fmt::Debug` implementations.
DebugMap | A struct to help with `fmt::Debug` implementations.
DebugSet | A struct to help with `fmt::Debug` implementations.
DebugStruct | A struct to help with `fmt::Debug` implementations.
DebugTuple | A struct to help with `fmt::Debug` implementations.
Error | The error type which is returned from formatting a message into a stream.
Formatter | Configuration for formatting.

## Enums

Alignment | Possible alignments returned by `Formatter::align`

## Traits

Binary | `b` formatting.
Debug | `?` formatting.
Display | Format trait for an empty format, `{}`.
LowerExp | `e` formatting.
LowerHex | `x` formatting.
Octal | `o` formatting.
Pointer | `p` formatting.
UpperExp | `E` formatting.
UpperHex | `X` formatting.
Write | A collection of methods that are required to format a message into a stream.

## Functions

write | The `write` function takes an output stream, and an `Arguments` struct that can be precompiled with the `format_args!` macro.

## Type Definitions

Result | The type returned by formatter methods.

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