chore: use clap v3 derive instead of structopt

Sponsored-by: author

1 files changed, 4 insertions, 5 deletions

diff --git a/src/bin/roadmap2dot.rs b/src/bin/roadmap2dot.rs
index 45e73ea..e92f41d 100644
--- a/src/bin/roadmap2dot.rs
+++ b/src/bin/roadmap2dot.rs
@@ -12,22 +12,21 @@
 //! crate will be as a library.
 
 use anyhow::Result;
+use clap::Parser;
 use roadmap::from_yaml;
 use std::fs::File;
 use std::io::Read;
 use std::path::PathBuf;
-use structopt::StructOpt;
 
 const LABEL_WIDTH: usize = 20;
 
-#[derive(Debug, StructOpt)]
-#[structopt(
+#[derive(Debug, Parser)]
+#[clap(
     name = "roadmap2dot",
     about = "Create a dot graph of a roadmap in YAML"
 )]
 struct Opt {
-    // The input filename.
-    #[structopt(parse(from_os_str))]
+    /// The input filename.
     filename: PathBuf,
 }