diff options
Diffstat (limited to 'struct.go')
-rw-r--r-- | struct.go | 14 |
1 files changed, 13 insertions, 1 deletions
@@ -7,6 +7,8 @@ package lowmemjson import ( "reflect" + "git.lukeshu.com/go/typedsync" + "git.lukeshu.com/go/lowmemjson/internal" ) @@ -25,9 +27,19 @@ type structIndex struct { byName map[string]int } +var structIndexCache typedsync.CacheMap[reflect.Type, structIndex] + // indexStruct takes a struct Type, and indexes its fields for use by -// Decoder.Decode() and Encoder.Encode(). +// Decoder.Decode() and Encoder.Encode(). indexStruct caches its +// results. func indexStruct(typ reflect.Type) structIndex { + ret, _ := structIndexCache.LoadOrCompute(typ, indexStructReal) + return ret +} + +// indexStructReal is like indexStruct, but is the real indexer, +// bypassing the cache. +func indexStructReal(typ reflect.Type) structIndex { var byPos []structField byName := make(map[string][]int) |