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Consolidate Result and rank structs

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By not storing item index twice, we can cut down the size of Result
struct and now it makes more sense to store and pass Results by values.
Benchmarks show no degradation of performance by additional pointer
indirection for looking up index.
This commit is contained in:
Junegunn Choi
2017-07-18 03:10:49 +09:00
parent 5e72709613
commit bbe10f4f77
9 changed files with 65 additions and 68 deletions
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8
src/cache.go
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@@ -3,7 +3,7 @@ package fzf
import "sync"
// queryCache associates strings to lists of items
type queryCache map[string][]*Result
type queryCache map[string][]Result
// ChunkCache associates Chunk and query string to lists of items
type ChunkCache struct {
@@ -17,7 +17,7 @@ func NewChunkCache() ChunkCache {
}
// Add adds the list to the cache
func (cc *ChunkCache) Add(chunk *Chunk, key string, list []*Result) {
func (cc *ChunkCache) Add(chunk *Chunk, key string, list []Result) {
if len(key) == 0 || !chunk.IsFull() || len(list) > queryCacheMax {
return
}
@@ -34,7 +34,7 @@ func (cc *ChunkCache) Add(chunk *Chunk, key string, list []*Result) {
}
// Lookup is called to lookup ChunkCache
func (cc *ChunkCache) Lookup(chunk *Chunk, key string) []*Result {
func (cc *ChunkCache) Lookup(chunk *Chunk, key string) []Result {
if len(key) == 0 || !chunk.IsFull() {
return nil
}
@@ -52,7 +52,7 @@ func (cc *ChunkCache) Lookup(chunk *Chunk, key string) []*Result {
return nil
}
func (cc *ChunkCache) Search(chunk *Chunk, key string) []*Result {
func (cc *ChunkCache) Search(chunk *Chunk, key string) []Result {
if len(key) == 0 || !chunk.IsFull() {
return nil
}