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use back() rather than indexing at len - 1

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This commit is contained in:
Connor Skees 2020-08-05 03:22:54 -04:00
parent 61ef52eb3f
commit 8fabda6363
2 changed files with 7 additions and 23 deletions
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28
src/selector/extend/functions.rs
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@ -346,16 +346,8 @@ fn merge_final_combinators(
) -> Option<Vec<Vec<Vec<ComplexSelectorComponent>>>> {
let mut result = result.unwrap_or_default();
if (components_one.is_empty()
|| !components_one
.get(components_one.len() - 1)
.unwrap()
.is_combinator())
&& (components_two.is_empty()
|| !components_two
.get(components_two.len() - 1)
.unwrap()
.is_combinator())
if (components_one.is_empty() || !components_one.back().unwrap().is_combinator())
&& (components_two.is_empty() || !components_two.back().unwrap().is_combinator())
{
return Some(Vec::from(result));
}
@ -539,12 +531,8 @@ fn merge_final_combinators(
}
(Some(combinator_one), None) => {
if *combinator_one == Combinator::Child && !components_two.is_empty() {
if let Some(ComplexSelectorComponent::Compound(c1)) =
components_one.get(components_one.len() - 1)
{
if let Some(ComplexSelectorComponent::Compound(c2)) =
components_two.get(components_two.len() - 1)
{
if let Some(ComplexSelectorComponent::Compound(c1)) = components_one.back() {
if let Some(ComplexSelectorComponent::Compound(c2)) = components_two.back() {
if c2.is_super_selector(c1, &None) {
components_two.pop_back();
}
@ -561,12 +549,8 @@ fn merge_final_combinators(
}
(None, Some(combinator_two)) => {
if *combinator_two == Combinator::Child && !components_one.is_empty() {
if let Some(ComplexSelectorComponent::Compound(c1)) =
components_one.get(components_one.len() - 1)
{
if let Some(ComplexSelectorComponent::Compound(c2)) =
components_two.get(components_two.len() - 1)
{
if let Some(ComplexSelectorComponent::Compound(c1)) = components_one.back() {
if let Some(ComplexSelectorComponent::Compound(c2)) = components_two.back() {
if c1.is_super_selector(c2, &None) {
components_one.pop_back();
}