Merge pull request #57 from nix-community/remove-failure

remove deprecated `failure` crate

Cargo.toml

@@ -5,7 +5,6 @@ authors = ["Vincent Ambo <mail@tazj.in>", "asymmetric"]
 
 [dependencies]
 structopt = "0.2"
-failure = "0.1"
 rnix = "0.11"
 rowan = "0.15.11"
 serde = { version = "1.0", features = ["derive"] }

src/commonmark.rs

@@ -16,10 +16,9 @@
 //! This module implements CommonMark output for a struct
 //! representing a single entry in the manual.
 
-use failure::Error;
 use std::collections::HashMap;
 
-use std::io::Write;
+use std::io::{Result, Write};
 
 /// Represent a single function argument name and its (optional)
 /// doc-string.
@@ -102,7 +101,7 @@ impl ManualEntry {
         self,
         locs: &HashMap<String, String>,
         writer: &mut W,
-    ) -> Result<(), Error> {
+    ) -> Result<()> {
         let title = format!("lib.{}.{}", self.category, self.name);
         let ident = format!(
             "lib.{}.{}",

src/main.rs

@@ -21,7 +21,6 @@
 //! * extract line number & add it to generated output
 //! * figure out how to specify examples (& leading whitespace?!)
 
-extern crate failure;
 extern crate rnix;
 extern crate rowan;
 extern crate structopt;