1 files changed, 11 insertions, 0 deletions
diff --git a/src/syntax/func/mod.rs b/src/syntax/func/mod.rs
index 0c5b4447..53bbc14e 100644
--- a/src/syntax/func/mod.rs
+++ b/src/syntax/func/mod.rs
@@ -1,5 +1,6 @@
 //! Primitives for argument parsing in library functions.
 
+use std::iter::FromIterator;
 use crate::error::{Error, Errors};
 use super::expr::{Expr, Ident, Tuple, Object, Pair};
 use super::span::{Span, Spanned};
@@ -55,6 +56,16 @@ impl FuncArgs {
     }
 }
 
+impl FromIterator<FuncArg> for FuncArgs {
+    fn from_iter<I: IntoIterator<Item=FuncArg>>(iter: I) -> Self {
+        let mut args = FuncArgs::new();
+        for item in iter.into_iter() {
+            args.add(item);
+        }
+        args
+    }
+}
+
 /// Either a positional or keyword argument.
 #[derive(Debug, Clone, PartialEq)]
 pub enum FuncArg {