Add filter_fn proc-macro

Author: seijikun

askama/src/lib.rs

@@ -82,6 +82,8 @@ use std::io;
 
 #[cfg(feature = "derive")]
 pub use askama_macros::Template;
+#[cfg(feature = "derive")]
+pub use askama_macros::filter_fn;
 
 pub use crate::error::{Error, Result};
 pub use crate::helpers::PrimitiveType;

askama_macros/Cargo.toml

@@ -17,12 +17,11 @@ rustdoc-args = ["--generate-link-to-definition", "--cfg=docsrs"]
 [lib]
 proc-macro = true
 
-[dependencies.askama_derive]
-package = "askama_derive"
-path = "../askama_derive"
-version = "=0.14.0"
-default-features = false
-features = ["external-sources", "proc-macro"]
+[dependencies]
+askama_derive = { package = "askama_derive", path = "../askama_derive", version = "=0.14.0", default-features = false, features = ["external-sources", "proc-macro"] }
+proc-macro2 = { version = "1", default-features = false }
+quote = { version = "1", default-features = false }
+syn = { version = "2.0.3", features = ["full"] }
 
 [features]
 default = ["config", "derive", "std", "urlencode"]