Merge pull request #14 from jeffparsons/bump_msrv

Bump MSRV to 1.43.0

Author: jeffparsons

.travis.yml

@@ -2,7 +2,7 @@ dist: trusty
 language: rust
 rust:
   # Don't forget to update in README and documentation.
-  - 1.32.0
+  - 1.43.0
   - stable
   - beta
   - nightly

Cargo.toml

@@ -1,6 +1,7 @@
 [package]
 name = "rangemap"
 version = "0.1.5"
+rust = "1.43"
 authors = ["Jeff Parsons <[email protected]>"]
 edition = "2018"
 license = "MIT/Apache-2.0"

README.md

@@ -4,7 +4,7 @@
 [![Docs](https://docs.rs/rangemap/badge.svg)](https://docs.rs/rangemap)
 [![Build status](https://travis-ci.org/jeffparsons/rangemap.svg?branch=master)](https://travis-ci.org/jeffparsons/rangemap)
 [![Build status](https://ci.appveyor.com/api/projects/status/github/jeffparsons/rangemap?svg=true)](https://ci.appveyor.com/project/jeffparsons/rangemap)
-[![Rust](https://img.shields.io/badge/rust-1.32%2B-blue.svg?maxAge=3600)](https://github.com/jeffparsons/rangemap) <!-- Don't forget to update the Travis config when bumping minimum Rust version. -->
+[![Rust](https://img.shields.io/badge/rust-1.43%2B-blue.svg?maxAge=3600)](https://github.com/jeffparsons/rangemap) <!-- Don't forget to update the Travis config when bumping minimum Rust version. -->
 
 
 [RangeMap](https://docs.rs/rangemap/latest/rangemap/struct.RangeMap.html) is a map data structure whose keys are stored as ranges. Contiguous and overlapping ranges that map to the same value are coalesced into a single range.