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[performance] cache library performance enhancements (updates go-structr => v0.2.0) (#2575)

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* update go-structr => v0.2.0

* update readme

* whoops, fix the link
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kim 2024-01-26 12:14:10 +00:00 • committed by GitHub
commit 07207e71e9
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36 changed files with 4880 additions and 1379 deletions
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144
vendor/codeberg.org/gruf/go-mangler/helpers.go generated vendored
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@ -1,144 +0,0 @@
package mangler
import (
"reflect"
"unsafe"
)
type (
// serializing interfacing types.
stringer interface{ String() string }
binarymarshaler interface{ MarshalBinary() ([]byte, error) }
textmarshaler interface{ MarshalText() ([]byte, error) }
jsonmarshaler interface{ MarshalJSON() ([]byte, error) }
)
func append_uint16(b []byte, u uint16) []byte {
return append(b, // LE
byte(u),
byte(u>>8),
)
}
func append_uint32(b []byte, u uint32) []byte {
return append(b, // LE
byte(u),
byte(u>>8),
byte(u>>16),
byte(u>>24),
)
}
func append_uint64(b []byte, u uint64) []byte {
return append(b, // LE
byte(u),
byte(u>>8),
byte(u>>16),
byte(u>>24),
byte(u>>32),
byte(u>>40),
byte(u>>48),
byte(u>>56),
)
}
func deref_ptr_mangler(mangle Mangler, count int) rMangler {
return func(buf []byte, v reflect.Value) []byte {
for i := 0; i < count; i++ {
// Check for nil
if v.IsNil() {
buf = append(buf, '0')
return buf
}
// Further deref ptr
buf = append(buf, '1')
v = v.Elem()
}
// Mangle fully deref'd ptr
return mangle(buf, v.Interface())
}
}
func deref_ptr_rmangler(mangle rMangler, count int) rMangler {
return func(buf []byte, v reflect.Value) []byte {
for i := 0; i < count; i++ {
// Check for nil
if v.IsNil() {
buf = append(buf, '0')
return buf
}
// Further deref ptr
buf = append(buf, '1')
v = v.Elem()
}
// Mangle fully deref'd ptr
return mangle(buf, v)
}
}
func array_to_slice_mangler(mangle Mangler) rMangler {
return func(buf []byte, v reflect.Value) []byte {
// Get slice of whole array
v = v.Slice(0, v.Len())
// Mangle as known slice type
return mangle(buf, v.Interface())
}
}
func iter_array_mangler(mangle Mangler) rMangler {
return func(buf []byte, v reflect.Value) []byte {
n := v.Len()
for i := 0; i < n; i++ {
buf = mangle(buf, v.Index(i).Interface())
buf = append(buf, ',')
}
if n > 0 {
buf = buf[:len(buf)-1]
}
return buf
}
}
func iter_array_rmangler(mangle rMangler) rMangler {
return func(buf []byte, v reflect.Value) []byte {
n := v.Len()
for i := 0; i < n; i++ {
buf = mangle(buf, v.Index(i))
buf = append(buf, ',')
}
if n > 0 {
buf = buf[:len(buf)-1]
}
return buf
}
}
func iter_map_rmangler(kMangle, vMangle rMangler) rMangler {
return func(buf []byte, v reflect.Value) []byte {
r := v.MapRange()
for r.Next() {
buf = kMangle(buf, r.Key())
buf = append(buf, ':')
buf = vMangle(buf, r.Value())
buf = append(buf, ',')
}
if v.Len() > 0 {
buf = buf[:len(buf)-1]
}
return buf
}
}
// iface_value returns the raw value ptr for input boxed within interface{} type.
func iface_value(a any) unsafe.Pointer {
type eface struct {
Type unsafe.Pointer
Value unsafe.Pointer
}
return (*eface)(unsafe.Pointer(&a)).Value
}