Add stable i128_type support.

Requires Rust >= 1.26.0.

.travis.yml

@@ -2,7 +2,7 @@ language: rust
 env: FEATURES=""
 matrix:
   include:
-    - rust: 1.17.0
+    - rust: 1.26.0
     - rust: stable
     - rust: beta
     - rust: nightly

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "signifix"
-version = "0.8.0"
+version = "0.9.0"
 authors = [
 	"Rouven Spreckels <[email protected]>",
 ]

README.md

@@ -14,7 +14,7 @@
 [Documentation]: https://docs.rs/signifix/badge.svg
 [License]: https://img.shields.io/crates/l/signifix.svg
 
-**Works now on stable Rust**
+**Works now on stable Rust (>= 1.26.0)**
 
 Formats a given number in one of the three Signifix notations
 [as defined below](#signifix-notations) by determining
@@ -92,19 +92,19 @@ used by adding `signifix` to the dependencies in your project's
 
 ```toml
 [dependencies]
-signifix = "0.8"
+signifix = "0.9"
 
-# Optionally enable `try_from` and `i128_type` support on nightly Rust.
+# Optionally enable `try_from` support on nightly Rust.
 #[dependencies.signifix]
 #features = ["nightly"]
 ```
 
 and this to your crate root:
 
 ```rust
-// Optionally enable `try_from` and `i128_type` support on nightly Rust.
+// Optionally enable `try_from` support on nightly Rust.
 // Required if the `nightly` feature is enabled in your `Cargo.toml`.
-//#![feature(try_from, i128_type)]
+//#![feature(try_from)]
 
 extern crate signifix;
 ```

RELEASES.md

@@ -1,3 +1,7 @@
+# Version 0.9.0 (2018-05-10)
+
+  * Added stable `i128_type` support requiring Rust `>= 1.26.0`.
+
 # Version 0.8.0 (2017-11-26)
 
   * Works now on stable Rust by reimplementing the `try_from` feature.

src/binary.rs

@@ -1,4 +1,4 @@
-// Copyright (c) 2016, 2017 Rouven Spreckels <[email protected]>
+// Copyright (c) 2016, 2017, 2018 Rouven Spreckels <[email protected]>
 //
 // Usage of the works is permitted provided that
 // this instrument is retained with the works, so that
@@ -102,7 +102,6 @@ pub const SYMBOLS: [Option<&str>; 9] = [
 	Some("Pi"), Some("Ei"), Some("Zi"), Some("Yi"),
 ];
 
-#[cfg(feature = "nightly")]
 /// Binary prefix factors from `1 024 ^ 1` to `1 024 ^ 8` indexed from `1` to
 /// `8`, or `1 024 ^ 0` indexed at `0`.
 pub const FACTORS: [f64; 9] = [
@@ -113,21 +112,6 @@ pub const FACTORS: [f64; 9] = [
 	(1u128 << 70) as f64, (1u128 << 80) as f64,
 ];
 
-#[cfg(not(feature = "nightly"))]
-/// Binary prefix factors from `1 024 ^ 1` to `1 024 ^ 8` indexed from `1` to
-/// `8`, or `1 024 ^ 0` indexed at `0`.
-pub const FACTORS: [f64; 9] = [
-	1f64,
-	1024f64,
-	1048576f64,
-	1073741824f64,
-	1099511627776f64,
-	1125899906842624f64,
-	1152921504606847000f64,
-	1180591620717411300000f64,
-	1208925819614629200000000f64,
-];
-
 impl Signifix {
 	/// Signed significand normalized from `±1.000` over `±999.9` to `±1 023`.
 	pub fn significand(&self) -> f64 {
@@ -215,16 +199,9 @@ impl Display for Signifix {
 	}
 }
 
-#[cfg(feature = "nightly")]
 try_from! { i8, i16, i32, i64, i128, isize }
-#[cfg(feature = "nightly")]
 try_from! { u8, u16, u32, u64, u128, usize }
 
-#[cfg(not(feature = "nightly"))]
-try_from! { i8, i16, i32, i64, isize }
-#[cfg(not(feature = "nightly"))]
-try_from! { u8, u16, u32, u64, usize }
-
 try_from! { f32 }
 
 impl TryFrom<f64> for Signifix {

src/lib.rs

@@ -1,4 +1,4 @@
-// Copyright (c) 2016, 2017 Rouven Spreckels <[email protected]>
+// Copyright (c) 2016, 2017, 2018 Rouven Spreckels <[email protected]>
 //
 // Usage of the works is permitted provided that
 // this instrument is retained with the works, so that
@@ -82,19 +82,19 @@
 //!
 //! ```toml
 //! [dependencies]
-//! signifix = "0.8"
+//! signifix = "0.9"
 //!
-//! # Optionally enable `try_from` and `i128_type` support on nightly Rust.
+//! # Optionally enable `try_from` support on nightly Rust.
 //! #[dependencies.signifix]
 //! #features = ["nightly"]
 //! ```
 //!
 //! and this to your crate root:
 //!
 //! ```
-//! // Optionally enable `try_from` and `i128_type` support on nightly Rust.
+//! // Optionally enable `try_from` support on nightly Rust.
 //! // Required if the `nightly` feature is enabled in your `Cargo.toml`.
-//! //#![feature(try_from, i128_type)]
+//! //#![feature(try_from)]
 //!
 //! extern crate signifix;
 //! ```
@@ -107,7 +107,7 @@
 //! jumps to the left or right while making maximum use of their occupied space:
 //!
 //! ```
-//! # #![cfg_attr(feature = "nightly", feature(try_from, i128_type))]
+//! # #![cfg_attr(feature = "nightly", feature(try_from))]
 //! use signifix::TryFrom; // Until stabilized.
 //!
 //! use signifix::{metric, binary, Result};
@@ -163,7 +163,7 @@
 //! This is useful to smoothly refresh a transfer rate within a terminal:
 //!
 //! ```
-//! # #![cfg_attr(feature = "nightly", feature(try_from, i128_type))]
+//! # #![cfg_attr(feature = "nightly", feature(try_from))]
 //! use signifix::TryFrom; // Until stabilized.
 //!
 //! use std::f64;
@@ -214,7 +214,7 @@
 //! direction with positive numbers being padded to align with negative ones:
 //!
 //! ```
-//! # #![cfg_attr(feature = "nightly", feature(try_from, i128_type))]
+//! # #![cfg_attr(feature = "nightly", feature(try_from))]
 //! use signifix::TryFrom; // Until stabilized.
 //!
 //! use signifix::metric::{Signifix, Result, DEF_MAX_LEN};
@@ -239,7 +239,7 @@
 //! positive numbers:
 //!
 //! ```
-//! # #![cfg_attr(feature = "nightly", feature(try_from, i128_type))]
+//! # #![cfg_attr(feature = "nightly", feature(try_from))]
 //! use signifix::TryFrom; // Until stabilized.
 //!
 //! use signifix::metric::{Signifix, Error, Result};
@@ -261,7 +261,7 @@
 //! of powers of two, such as memory boundaries due to binary addressing:
 //!
 //! ```
-//! # #![cfg_attr(feature = "nightly", feature(try_from, i128_type))]
+//! # #![cfg_attr(feature = "nightly", feature(try_from))]
 //! use signifix::TryFrom; // Until stabilized.
 //!
 //! use signifix::binary::{Signifix, Error, Result};
@@ -302,7 +302,7 @@
 //! `Signifix::fmt()` method:
 //!
 //! ```
-//! # #![cfg_attr(feature = "nightly", feature(try_from, i128_type))]
+//! # #![cfg_attr(feature = "nightly", feature(try_from))]
 //! use signifix::TryFrom; // Until stabilized.
 //!
 //! use signifix::binary::{Signifix, Result};
@@ -347,7 +347,7 @@
 //! type via its methods:
 //!
 //! ```
-//! # #![cfg_attr(feature = "nightly", feature(try_from, i128_type))]
+//! # #![cfg_attr(feature = "nightly", feature(try_from))]
 //! use signifix::TryFrom; // Until stabilized.
 //!
 //! use signifix::metric::{Signifix, Result};
@@ -390,7 +390,7 @@
 
 #![deny(missing_docs)]
 
-#![cfg_attr(feature = "nightly", feature(try_from, i128_type))]
+#![cfg_attr(feature = "nightly", feature(try_from))]
 
 use std::result;
 use std::error;

src/metric.rs

@@ -1,4 +1,4 @@
-// Copyright (c) 2016, 2017 Rouven Spreckels <[email protected]>
+// Copyright (c) 2016, 2017, 2018 Rouven Spreckels <[email protected]>
 //
 // Usage of the works is permitted provided that
 // this instrument is retained with the works, so that
@@ -210,16 +210,9 @@ impl Display for Signifix {
 	}
 }
 
-#[cfg(feature = "nightly")]
 try_from! { i8, i16, i32, i64, i128, isize }
-#[cfg(feature = "nightly")]
 try_from! { u8, u16, u32, u64, u128, usize }
 
-#[cfg(not(feature = "nightly"))]
-try_from! { i8, i16, i32, i64, isize }
-#[cfg(not(feature = "nightly"))]
-try_from! { u8, u16, u32, u64, usize }
-
 try_from! { f32 }
 
 impl TryFrom<f64> for Signifix {