Use append_separated
diff --git a/src/ty.rs b/src/ty.rs
index 3d1cb1d..896cb7e 100644
--- a/src/ty.rs
+++ b/src/ty.rs
@@ -455,12 +455,7 @@
}
Ty::Tup(ref elems) => {
tokens.append("(");
- for (i, elem) in elems.iter().enumerate() {
- if i > 0 {
- tokens.append(",");
- }
- elem.to_tokens(tokens);
- }
+ tokens.append_separated(elems, ",");
if elems.len() == 1 {
tokens.append(",");
}
@@ -498,12 +493,7 @@
Ty::PolyTraitRef(_) => unimplemented!(),
Ty::ImplTrait(ref bounds) => {
tokens.append("impl");
- for (i, bound) in bounds.iter().enumerate() {
- if i > 0 {
- tokens.append("+");
- }
- bound.to_tokens(tokens);
- }
+ tokens.append_separated(bounds, "+");
}
Ty::Paren(ref inner) => {
tokens.append("(");
@@ -597,12 +587,7 @@
impl ToTokens for ParenthesizedParameterData {
fn to_tokens(&self, tokens: &mut Tokens) {
tokens.append("(");
- for (i, input) in self.inputs.iter().enumerate() {
- if i > 0 {
- tokens.append(",");
- }
- input.to_tokens(tokens);
- }
+ tokens.append_separated(&self.inputs, ",");
tokens.append(")");
if let Some(ref output) = self.output {
tokens.append("->");
@@ -615,12 +600,7 @@
fn to_tokens(&self, tokens: &mut Tokens) {
if !self.bound_lifetimes.is_empty() {
tokens.append("<");
- for (i, lifetime) in self.bound_lifetimes.iter().enumerate() {
- if i > 0 {
- tokens.append(",");
- }
- lifetime.to_tokens(tokens);
- }
+ tokens.append_separated(&self.bound_lifetimes, ",");
tokens.append(">");
}
self.trait_ref.to_tokens(tokens);