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with_capcity for HashSet

This commit is contained in:
Sergey Pepyakin 2018-02-07 16:03:08 +03:00
parent ef7e525f4d
commit 788a2ea1e4
1 changed files with 1 additions and 1 deletions
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2
src/validation/mod.rs
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@ -163,7 +163,7 @@ pub fn validate_module(module: Module) -> Result<ValidatedModule, Error> {
// validate export section // validate export section
if let Some(export_section) = module.export_section() { if let Some(export_section) = module.export_section() {
let mut export_names = HashSet::new(); let mut export_names = HashSet::with_capacity(export_section.entries().len());
for export in export_section.entries() { for export in export_section.entries() {
// HashSet::insert returns false if item already in set. // HashSet::insert returns false if item already in set.
let duplicate = export_names.insert(export.field()) == false; let duplicate = export_names.insert(export.field()) == false;