[−][src]Crate hexponent

Hexponent

Hexponent is a hexadecimal literal parser for Rust based on the C11 specification section 6.4.4.2.

use hexponent::FloatLiteral;
let float_repr: FloatLiteral = "0x3.4".parse().unwrap();
let value = float_repr.convert::<f32>().inner();
assert_eq!(value, 3.25);

Features

  • No dependencies
  • Non-UTF-8 parser
  • Precision warnings

Differences from the specification

There are two places where hexponent differs from the C11 specificaiton.

  • An exponent is not required. (0x1.2 is allowed)
  • floating-suffix is not parsed. (0x1p4l is not allowed)

Structs

FloatLiteral

Represents a floating point literal

Enums

ConversionResult

Indicates the preicsision of a conversion

ParseError

Error type for parsing hexadecimal literals.

Traits

FPFormat

Trait to describe conversion to floating point formats.