use doc-comment instead of skeptic

Cargo.toml

@@ -10,7 +10,6 @@ readme = "README.md"
 keywords = [ "floating-point", "accurate", "sum", "dot-product" ]
 categories = [ "algorithms", "mathematics" ]
 license = "MIT OR Apache-2.0"
-build = "build.rs"
 
 [features]
 default = [ "parallel" ]
@@ -21,20 +20,17 @@ lint = [ "clippy" ]
 
 [dependencies]
 cfg-if = "1"
-num-traits = "0.2"
 ieee754 = "0.2"
+num-traits = "0.2"
 rayon = { version = "1", optional = true }
 
-[build-dependencies]
-skeptic = { git = 'https://github.com/andygauge/rust-skeptic' }
-
 [dev-dependencies]
 criterion = "0.3"
 criterion-plot = "0.4"
+doc-comment = "0.3"
 num = "0.3"
 rand = "0.7"
 rug = "1.0"
-skeptic = { git = 'https://github.com/andygauge/rust-skeptic' }
 
 [[bench]]
 name = "criterion"

src/lib.rs

@@ -180,12 +180,18 @@ assert_eq!(100_000.0, s);
 
 #[macro_use]
 extern crate cfg_if;
+#[cfg(doctest)]
+#[macro_use]
+extern crate doc_comment;
 extern crate ieee754;
 extern crate num_traits;
 
 #[cfg(feature = "parallel")]
 extern crate rayon;
 
+#[cfg(doctest)]
+doctest!("../README.md");
+
 pub mod dot;
 pub mod sum;
 pub mod util;