Sync the original contents:upgrade syn crate to version 2.0 (#156)

rust-lang-cn · Apr 20, 2024 · d6cdce4 · d6cdce4
1 parent 7c80eeb
commit d6cdce4
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diff --git a/...h/listings/ch19-advanced-features/listing-19-31/hello_macro/hello_macro_derive/Cargo.toml b/...h/listings/ch19-advanced-features/listing-19-31/hello_macro/hello_macro_derive/Cargo.toml
@@ -7,5 +7,5 @@ edition = "2021"
 proc-macro = true
 
 [dependencies]
-syn = "1.0"
+syn = "2.0"
 quote = "1.0"
diff --git a/listings/ch19-advanced-features/listing-19-31/hello_macro/hello_macro_derive/Cargo.toml b/listings/ch19-advanced-features/listing-19-31/hello_macro/hello_macro_derive/Cargo.toml
@@ -8,5 +8,5 @@ edition = "2018"
 proc-macro = true
 
 [dependencies]
-syn = "1.0"
+syn = "2.0"
 quote = "1.0"