Now error messages highlight the error location (#225)

TeXitoi · Aug 13, 2019 · 5dfa606 · 5dfa606
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diff --git a/structopt-derive/Cargo.toml b/structopt-derive/Cargo.toml
@@ -18,6 +18,7 @@ syn = { version = "0.15.10", features = ["full"] }
 quote = "0.6"
 proc-macro2 = "0.4"
 heck = "^0.3.0"
+proc-macro-error = "0.1"
 
 [features]
 nightly = ["proc-macro2/nightly"]