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runtime: introduce a type for lfstacks

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The lfstack API is still a C-style API: lfstacks all have unhelpful
type uint64 and the APIs are package-level functions. Make the code
more readable and Go-style by creating an lfstack type with methods
for push, pop, and empty.

Change-Id: I64685fa3be0e82ae2d1a782a452a50974440a827
Reviewed-on: https://go-review.googlesource.com/38290
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Rick Hudson <rlh@golang.org>
This commit is contained in:
Austin Clements 2017-03-07 16:38:29 -05:00
parent 2805d20689
commit 13ae271d5d
4 changed files with 35 additions and 24 deletions
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4
src/runtime/export_test.go
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@ -41,11 +41,11 @@ type LFNode struct {
}
func LFStackPush(head *uint64, node *LFNode) {
lfstackpush(head, (*lfnode)(unsafe.Pointer(node)))
(*lfstack)(head).push((*lfnode)(unsafe.Pointer(node)))
}
func LFStackPop(head *uint64) *LFNode {
return (*LFNode)(unsafe.Pointer(lfstackpop(head)))
return (*LFNode)(unsafe.Pointer((*lfstack)(head).pop()))
}
func GCMask(x interface{}) (ret []byte) {