Raise the MSRV to 1.31

Author: cuviper

.travis.yml

@@ -1,10 +1,8 @@
 language: rust
 sudo: false
 rust:
-  - 1.15.0
-  - 1.22.0 # rand
-  - 1.26.0 # has_i128
   - 1.31.0 # 2018!
+  - 1.32.0 # rand
   - stable
   - beta
   - nightly

README.md

@@ -2,7 +2,7 @@
 
 [![crate](https://img.shields.io/crates/v/num-complex.svg)](https://crates.io/crates/num-complex)
 [![documentation](https://docs.rs/num-complex/badge.svg)](https://docs.rs/num-complex)
-![minimum rustc 1.15](https://img.shields.io/badge/rustc-1.15+-red.svg)
+![minimum rustc 1.31](https://img.shields.io/badge/rustc-1.31+-red.svg)
 [![Travis status](https://travis-ci.org/rust-num/num-complex.svg?branch=master)](https://travis-ci.org/rust-num/num-complex)
 
 `Complex` numbers for Rust.
@@ -13,7 +13,7 @@ Add this to your `Cargo.toml`:
 
 ```toml
 [dependencies]
-num-complex = "0.2"
+num-complex = "0.3"
 ```
 
 and this to your crate root:
@@ -29,7 +29,7 @@ the default `std` feature. Use this in `Cargo.toml`:
 
 ```toml
 [dependencies.num-complex]
-version = "0.2"
+version = "0.3"
 default-features = false
 ```
 
@@ -47,4 +47,4 @@ Release notes are available in [RELEASES.md](RELEASES.md).
 
 ## Compatibility
 
-The `num-complex` crate is tested for rustc 1.15 and greater.
+The `num-complex` crate is tested for rustc 1.31 and greater.

ci/rustup.sh

@@ -5,7 +5,7 @@
 set -ex
 
 export TRAVIS_RUST_VERSION
-for TRAVIS_RUST_VERSION in 1.15.0 1.22.0 1.26.0 stable beta nightly; do
+for TRAVIS_RUST_VERSION in 1.31.0 1.32.0 stable beta nightly; do
     run="rustup run $TRAVIS_RUST_VERSION"
     $run cargo build --verbose
     $run $PWD/ci/test_full.sh

ci/test_full.sh

@@ -4,13 +4,10 @@ set -ex
 
 echo Testing num-complex on rustc ${TRAVIS_RUST_VERSION}
 
-FEATURES="std serde"
-if [[ "$TRAVIS_RUST_VERSION" =~ ^(nightly|beta|stable|1.26.0|1.22.0)$ ]]; then
-  FEATURES="$FEATURES rand"
-fi
-if [[ "$TRAVIS_RUST_VERSION" =~ ^(nightly|beta|stable|1.26.0)$ ]]; then
-  FEATURES="$FEATURES i128"
-fi
+case "$TRAVIS_RUST_VERSION" in
+  1.31.*) FEATURES="serde" ;;
+  *) FEATURES="serde rand" ;;
+esac
 
 # num-complex should build and test everywhere.
 cargo build --verbose
@@ -29,3 +26,7 @@ done
 # test all supported features together
 cargo build --features="$FEATURES"
 cargo test --features="$FEATURES"
+
+# test all supported features together with std
+cargo build --features="std $FEATURES"
+cargo test --features="std $FEATURES"

src/lib.rs

@@ -12,9 +12,9 @@
 //!
 //! ## Compatibility
 //!
-//! The `num-complex` crate is tested for rustc 1.15 and greater.
+//! The `num-complex` crate is tested for rustc 1.31 and greater.
 
-#![doc(html_root_url = "https://docs.rs/num-complex/0.2")]
+#![doc(html_root_url = "https://docs.rs/num-complex/0.3")]
 #![no_std]
 
 #[cfg(any(test, feature = "std"))]