Update to 2018 edition and rust 1.31+

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        rust: [nightly, beta, stable, 1.26.0]
+        rust: [nightly, beta, stable, 1.31.0]
     steps:
       - uses: actions/checkout@v2
       - uses: dtolnay/rust-toolchain@master
@@ -28,22 +28,6 @@ jobs:
       - run: cargo bench --no-run --features i128
         if: matrix.rust == 'nightly'
 
-  mintest:
-    name: Rust 1.20.0
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: dtolnay/rust-toolchain@1.20.0
-      - run: cargo test
-
-  msrv:
-    name: Rust 1.0.0
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: dtolnay/rust-toolchain@1.0.0
-      - run: cargo build
-
   miri:
     name: Miri
     runs-on: ubuntu-latest

Cargo.toml

@@ -2,7 +2,7 @@
 name = "itoa"
 version = "0.4.8" # remember to update html_root_url
 authors = ["David Tolnay <dtolnay@gmail.com>"]
-rust-version = "1.0"
+rust-version = "1.31"
 license = "MIT OR Apache-2.0"
 description = "Fast functions for printing integer primitives to an io::Write"
 repository = "https://github.com/dtolnay/itoa"
@@ -10,6 +10,7 @@ documentation = "https://docs.rs/itoa"
 categories = ["value-formatting"]
 readme = "README.md"
 exclude = ["performance.png"]
+edition = "2018"
 
 [features]
 default = ["std"]

README.md

@@ -13,7 +13,7 @@ This crate provides fast functions for printing integer primitives to an
 
 See also [`dtoa`] for printing floating point primitives.
 
-*Version requirement: rustc 1.0+*
+*Version requirement: rustc 1.31+*
 
 [`io::Write`]: https://doc.rust-lang.org/std/io/trait.Write.html
 [`fmt::Write`]: https://doc.rust-lang.org/core/fmt/trait.Write.html