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Use if let instead of match.

Browse Source 
https://github.com/rust-lang-nursery/rust-clippy/wiki#single_match
This commit is contained in:
Dan Gohman
2017-08-31 11:57:03 -07:00
parent 574031e4d2
commit 5a8d1a9fda
2 changed files with 31 additions and 53 deletions
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10
lib/frontend/src/frontend.rs
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@@ -147,15 +147,14 @@ impl<'short, 'long, Variable> InstBuilderBase<'short> for FuncInstBuilder<'short
}
None => {
// branch_destination() doesn't detect jump_tables
match data {
// If jump table we declare all entries successor
// TODO: not collect with vector?
InstructionData::BranchTable { table, .. } => {
if let InstructionData::BranchTable { table, .. } = data {
// Unlike all other jumps/branches, jump tables are
// capable of having the same successor appear
// multiple times. Use a HashSet to deduplicate.
let mut unique = HashSet::new();
for dest_ebb in self.builder
let mut unique = HashSet::new();
for dest_ebb in self.builder
.func
.jump_tables
.get(table)
@@ -166,9 +165,6 @@ impl<'short, 'long, Variable> InstBuilderBase<'short> for FuncInstBuilder<'short
.collect::<Vec<Ebb>>() {
self.builder.declare_successor(dest_ebb, inst)
}
}
// If not we do nothing
_ => {}
}
}
}