Fix regression with aliases

Fixed a regression that was introduced in:
1415c8f9b89699000ef8d864ff8f0e1bebca4a5f.

Moving aliases to read() broke how pipes worked. This commit removes the
troublesome append!() macro, and replaces it with some logic in the
add() function (impl Appendable for Poem).

1 files changed, 0 insertions, 28 deletions

diff --git a/src/poem/read/parse.rs b/src/poem/read/parse.rs
index 58c8fde..7b01d85 100644
--- a/src/poem/read/parse.rs
+++ b/src/poem/read/parse.rs
@@ -84,31 +84,3 @@ macro_rules! poem {
         $word.push('\x0b');
     };
 }
-
-/// Append a verse to the poem
-///
-/// Append a verse to poem, first checking for aliases in the environment, and
-/// processing the alias first, if necessary.
-#[macro_export]
-macro_rules! append {
-    ($poem:expr, $last:expr, $meter:expr, $verse:expr, $env:expr) => {
-        if !$verse.is_empty() {
-            match $env.aliases.get(&$verse.verb()) {
-                Some(alias) => {
-                    let alias = alias.to_string();
-                    let mut poem = Poem::read(alias, $env)?;
-                    let len = poem.len();
-                    for (i, verse) in poem.iter_mut().enumerate() {
-                        if $verse.clause().is_some() && i + 1 == len {
-                            verse.stanza.append(&mut $verse.clause().unwrap());
-                        }
-                        $poem.push(verse.clone());
-                    }
-                }
-                None => {
-                    $poem.add(&mut $verse, $last, $meter);
-                }
-            }
-        }
-    };
-}